--- a/browser/extensions/pdfjs/README.mozilla
+++ b/browser/extensions/pdfjs/README.mozilla
@@ -1,5 +1,5 @@
 This is the PDF.js project output, https://github.com/mozilla/pdf.js
 
-Current extension version is: 2.0.550
+Current extension version is: 2.0.575
 
-Taken from upstream commit: 76337fdc
+Taken from upstream commit: 2030d171

--- a/browser/extensions/pdfjs/content/build/pdf.js
+++ b/browser/extensions/pdfjs/content/build/pdf.js
@@ -118,18 +118,18 @@ return /******/ (function(modules) { // 
 /************************************************************************/
 /******/ ([
 /* 0 */
 /***/ (function(module, exports, __w_pdfjs_require__) {
 
 "use strict";
 
 
-var pdfjsVersion = '2.0.550';
-var pdfjsBuild = '76337fdc';
+var pdfjsVersion = '2.0.575';
+var pdfjsBuild = '2030d171';
 var pdfjsSharedUtil = __w_pdfjs_require__(1);
 var pdfjsDisplayAPI = __w_pdfjs_require__(6);
 var pdfjsDisplayTextLayer = __w_pdfjs_require__(18);
 var pdfjsDisplayAnnotationLayer = __w_pdfjs_require__(19);
 var pdfjsDisplayDOMUtils = __w_pdfjs_require__(7);
 var pdfjsDisplaySVG = __w_pdfjs_require__(20);
 let pdfjsDisplayWorkerOptions = __w_pdfjs_require__(12);
 let pdfjsDisplayAPICompatibility = __w_pdfjs_require__(9);
@@ -157,16 +157,17 @@ exports.createObjectURL = pdfjsSharedUti
 exports.removeNullCharacters = pdfjsSharedUtil.removeNullCharacters;
 exports.shadow = pdfjsSharedUtil.shadow;
 exports.createBlob = pdfjsSharedUtil.createBlob;
 exports.Util = pdfjsSharedUtil.Util;
 exports.RenderingCancelledException = pdfjsDisplayDOMUtils.RenderingCancelledException;
 exports.getFilenameFromUrl = pdfjsDisplayDOMUtils.getFilenameFromUrl;
 exports.LinkTarget = pdfjsDisplayDOMUtils.LinkTarget;
 exports.addLinkAttributes = pdfjsDisplayDOMUtils.addLinkAttributes;
+exports.loadScript = pdfjsDisplayDOMUtils.loadScript;
 exports.GlobalWorkerOptions = pdfjsDisplayWorkerOptions.GlobalWorkerOptions;
 exports.apiCompatibilityParams = pdfjsDisplayAPICompatibility.apiCompatibilityParams;
 
 /***/ }),
 /* 1 */
 /***/ (function(module, exports, __w_pdfjs_require__) {
 
 "use strict";
@@ -819,48 +820,28 @@ var Util = function UtilClosure() {
     romanBuf.push(ROMAN_NUMBER_MAP[pos]);
     pos = number / 10 | 0;
     number %= 10;
     romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]);
     romanBuf.push(ROMAN_NUMBER_MAP[20 + number]);
     var romanStr = romanBuf.join('');
     return lowerCase ? romanStr.toLowerCase() : romanStr;
   };
-  Util.appendToArray = function Util_appendToArray(arr1, arr2) {
-    Array.prototype.push.apply(arr1, arr2);
-  };
-  Util.prependToArray = function Util_prependToArray(arr1, arr2) {
-    Array.prototype.unshift.apply(arr1, arr2);
-  };
   Util.extendObj = function extendObj(obj1, obj2) {
     for (var key in obj2) {
       obj1[key] = obj2[key];
     }
   };
   Util.inherit = function Util_inherit(sub, base, prototype) {
     sub.prototype = Object.create(base.prototype);
     sub.prototype.constructor = sub;
     for (var prop in prototype) {
       sub.prototype[prop] = prototype[prop];
     }
   };
-  Util.loadScript = function Util_loadScript(src, callback) {
-    var script = document.createElement('script');
-    var loaded = false;
-    script.setAttribute('src', src);
-    if (callback) {
-      script.onload = function () {
-        if (!loaded) {
-          callback();
-        }
-        loaded = true;
-      };
-    }
-    document.getElementsByTagName('head')[0].appendChild(script);
-  };
   return Util;
 }();
 var PDFStringTranslateTable = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2D8, 0x2C7, 0x2C6, 0x2D9, 0x2DD, 0x2DB, 0x2DA, 0x2DC, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014, 0x2013, 0x192, 0x2044, 0x2039, 0x203A, 0x2212, 0x2030, 0x201E, 0x201C, 0x201D, 0x2018, 0x2019, 0x201A, 0x2122, 0xFB01, 0xFB02, 0x141, 0x152, 0x160, 0x178, 0x17D, 0x131, 0x142, 0x153, 0x161, 0x17E, 0, 0x20AC];
 function stringToPDFString(str) {
   var i,
       n = str.length,
       strBuf = [];
   if (str[0] === '\xFE' && str[1] === '\xFF') {
@@ -4126,17 +4107,16 @@ function getDocument(src) {
     if (!src.url && !src.data && !src.range) {
       throw new Error('Invalid parameter object: need either .data, .range or .url');
     }
     source = src;
   }
   let params = Object.create(null);
   var rangeTransport = null;
   let worker = null;
-  let CMapReaderFactory = _dom_utils.DOMCMapReaderFactory;
   for (var key in source) {
     if (key === 'url' && typeof window !== 'undefined') {
       params[key] = new URL(source[key], window.location).href;
       continue;
     } else if (key === 'range') {
       rangeTransport = source[key];
       continue;
     } else if (key === 'worker') {
@@ -4149,23 +4129,21 @@ function getDocument(src) {
       } else if (typeof pdfBytes === 'object' && pdfBytes !== null && !isNaN(pdfBytes.length)) {
         params[key] = new Uint8Array(pdfBytes);
       } else if ((0, _util.isArrayBuffer)(pdfBytes)) {
         params[key] = new Uint8Array(pdfBytes);
       } else {
         throw new Error('Invalid PDF binary data: either typed array, ' + 'string or array-like object is expected in the ' + 'data property.');
       }
       continue;
-    } else if (key === 'CMapReaderFactory') {
-      CMapReaderFactory = source[key];
-      continue;
     }
     params[key] = source[key];
   }
   params.rangeChunkSize = params.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE;
+  params.CMapReaderFactory = params.CMapReaderFactory || _dom_utils.DOMCMapReaderFactory;
   params.ignoreErrors = params.stopAtErrors !== true;
   params.pdfBug = params.pdfBug === true;
   const NativeImageDecoderValues = Object.values(_util.NativeImageDecoding);
   if (params.nativeImageDecoderSupport === undefined || !NativeImageDecoderValues.includes(params.nativeImageDecoderSupport)) {
     params.nativeImageDecoderSupport = _api_compatibility.apiCompatibilityParams.nativeImageDecoderSupport || _util.NativeImageDecoding.DECODE;
   }
   if (!Number.isInteger(params.maxImageSize)) {
     params.maxImageSize = -1;
@@ -4228,34 +4206,34 @@ function getDocument(src) {
           withCredentials: params.withCredentials,
           rangeChunkSize: params.rangeChunkSize,
           disableRange: params.disableRange,
           disableStream: params.disableStream
         });
       }
       var messageHandler = new _message_handler.MessageHandler(docId, workerId, worker.port);
       messageHandler.postMessageTransfers = worker.postMessageTransfers;
-      var transport = new WorkerTransport(messageHandler, task, networkStream, params, CMapReaderFactory);
+      var transport = new WorkerTransport(messageHandler, task, networkStream, params);
       task._transport = transport;
       messageHandler.send('Ready', null);
     });
   }).catch(task._capability.reject);
   return task;
 }
 function _fetchDocument(worker, source, pdfDataRangeTransport, docId) {
   if (worker.destroyed) {
     return Promise.reject(new Error('Worker was destroyed'));
   }
   if (pdfDataRangeTransport) {
     source.length = pdfDataRangeTransport.length;
     source.initialData = pdfDataRangeTransport.initialData;
   }
   return worker.messageHandler.sendWithPromise('GetDocRequest', {
     docId,
-    apiVersion: '2.0.550',
+    apiVersion: '2.0.575',
     source: {
       data: source.data,
       url: source.url,
       password: source.password,
       disableAutoFetch: source.disableAutoFetch,
       rangeChunkSize: source.rangeChunkSize,
       length: source.length
     },
@@ -4355,26 +4333,26 @@ var PDFDataRangeTransport = function pdf
       (0, _util.unreachable)('Abstract method PDFDataRangeTransport.requestDataRange');
     },
     abort: function PDFDataRangeTransport_abort() {}
   };
   return PDFDataRangeTransport;
 }();
 var PDFDocumentProxy = function PDFDocumentProxyClosure() {
   function PDFDocumentProxy(pdfInfo, transport, loadingTask) {
-    this.pdfInfo = pdfInfo;
+    this._pdfInfo = pdfInfo;
     this.transport = transport;
     this.loadingTask = loadingTask;
   }
   PDFDocumentProxy.prototype = {
     get numPages() {
-      return this.pdfInfo.numPages;
+      return this._pdfInfo.numPages;
     },
     get fingerprint() {
-      return this.pdfInfo.fingerprint;
+      return this._pdfInfo.fingerprint;
     },
     getPage(pageNumber) {
       return this.transport.getPage(pageNumber);
     },
     getPageIndex: function PDFDocumentProxy_getPageIndex(ref) {
       return this.transport.getPageIndex(ref);
     },
     getDestinations: function PDFDocumentProxy_getDestinations() {
@@ -4420,42 +4398,42 @@ var PDFDocumentProxy = function PDFDocum
       return this.transport.loadingParams;
     }
   };
   return PDFDocumentProxy;
 }();
 var PDFPageProxy = function PDFPageProxyClosure() {
   function PDFPageProxy(pageIndex, pageInfo, transport, pdfBug = false) {
     this.pageIndex = pageIndex;
-    this.pageInfo = pageInfo;
+    this._pageInfo = pageInfo;
     this.transport = transport;
     this._stats = pdfBug ? new _dom_utils.StatTimer() : _dom_utils.DummyStatTimer;
     this._pdfBug = pdfBug;
     this.commonObjs = transport.commonObjs;
     this.objs = new PDFObjects();
     this.cleanupAfterRender = false;
     this.pendingCleanup = false;
     this.intentStates = Object.create(null);
     this.destroyed = false;
   }
   PDFPageProxy.prototype = {
     get pageNumber() {
       return this.pageIndex + 1;
     },
     get rotate() {
-      return this.pageInfo.rotate;
+      return this._pageInfo.rotate;
     },
     get ref() {
-      return this.pageInfo.ref;
+      return this._pageInfo.ref;
     },
     get userUnit() {
-      return this.pageInfo.userUnit;
+      return this._pageInfo.userUnit;
     },
     get view() {
-      return this.pageInfo.view;
+      return this._pageInfo.view;
     },
     getViewport(scale, rotate = this.rotate, dontFlip = false) {
       return new _dom_utils.PageViewport({
         viewBox: this.view,
         scale,
         rotation: rotate,
         dontFlip
       });
@@ -4583,17 +4561,17 @@ var PDFPageProxy = function PDFPageProxy
       return new Promise(function (resolve, reject) {
         function pump() {
           reader.read().then(function ({ value, done }) {
             if (done) {
               resolve(textContent);
               return;
             }
             _util.Util.extendObj(textContent.styles, value.styles);
-            _util.Util.appendToArray(textContent.items, value.items);
+            textContent.items.push(...value.items);
             pump();
           }, reject);
         }
         let reader = readableStream.getReader();
         let textContent = {
           items: [],
           styles: Object.create(null)
         };
@@ -4761,36 +4739,36 @@ var PDFWorker = function PDFWorkerClosur
     }
     fakeWorkerFilesLoadedCapability = (0, _util.createPromiseCapability)();
     let mainWorkerMessageHandler = getMainThreadWorkerMessageHandler();
     if (mainWorkerMessageHandler) {
       fakeWorkerFilesLoadedCapability.resolve(mainWorkerMessageHandler);
       return fakeWorkerFilesLoadedCapability.promise;
     }
     let loader = fakeWorkerFilesLoader || function (callback) {
-      _util.Util.loadScript(getWorkerSrc(), function () {
+      (0, _dom_utils.loadScript)(getWorkerSrc()).then(function () {
         callback(window.pdfjsWorker.WorkerMessageHandler);
       });
     };
     loader(fakeWorkerFilesLoadedCapability.resolve);
     return fakeWorkerFilesLoadedCapability.promise;
   }
   function createCDNWrapper(url) {
     var wrapper = 'importScripts(\'' + url + '\');';
     return URL.createObjectURL(new Blob([wrapper]));
   }
   let pdfWorkerPorts = new WeakMap();
-  function PDFWorker({ name = null, port = null, postMessageTransfers = true, verbosity = null } = {}) {
+  function PDFWorker({ name = null, port = null, postMessageTransfers = true, verbosity = (0, _util.getVerbosityLevel)() } = {}) {
     if (port && pdfWorkerPorts.has(port)) {
       throw new Error('Cannot use more than one PDFWorker per port');
     }
     this.name = name;
     this.destroyed = false;
     this.postMessageTransfers = postMessageTransfers !== false;
-    this.verbosity = (0, _util.isNum)(verbosity) ? verbosity : (0, _util.getVerbosityLevel)();
+    this.verbosity = verbosity;
     this._readyCapability = (0, _util.createPromiseCapability)();
     this._port = null;
     this._webWorker = null;
     this._messageHandler = null;
     if (port) {
       pdfWorkerPorts.set(port, this);
       this._initializeFromPort(port);
       return;
@@ -4836,18 +4814,17 @@ var PDFWorker = function PDFWorkerClosur
           };
           worker.addEventListener('error', onWorkerError);
           messageHandler.on('test', data => {
             worker.removeEventListener('error', onWorkerError);
             if (this.destroyed) {
               terminateEarly();
               return;
             }
-            var supportTypedArray = data && data.supportTypedArray;
-            if (supportTypedArray) {
+            if (data && data.supportTypedArray) {
               this._messageHandler = messageHandler;
               this._port = worker;
               this._webWorker = worker;
               if (!data.supportTransfers) {
                 this.postMessageTransfers = false;
               }
               this._readyCapability.resolve();
               messageHandler.send('configure', { verbosity: this.verbosity });
@@ -4892,18 +4869,17 @@ var PDFWorker = function PDFWorkerClosur
         (0, _util.warn)('Setting up fake worker.');
         isWorkerDisabled = true;
       }
       setupFakeWorkerGlobal().then(WorkerMessageHandler => {
         if (this.destroyed) {
           this._readyCapability.reject(new Error('Worker was destroyed'));
           return;
         }
-        var isTypedArraysPresent = Uint8Array !== Float32Array;
-        var port = new LoopbackPort(isTypedArraysPresent);
+        let port = new LoopbackPort();
         this._port = port;
         var id = 'fake' + nextFakeWorkerId++;
         var workerHandler = new _message_handler.MessageHandler(id + '_worker', id, port);
         WorkerMessageHandler.setup(workerHandler, port);
         var messageHandler = new _message_handler.MessageHandler(id, id + '_worker', port);
         this._messageHandler = messageHandler;
         this._readyCapability.resolve();
       });
@@ -4918,34 +4894,37 @@ var PDFWorker = function PDFWorkerClosur
       this._port = null;
       if (this._messageHandler) {
         this._messageHandler.destroy();
         this._messageHandler = null;
       }
     }
   };
   PDFWorker.fromPort = function (params) {
+    if (!params || !params.port) {
+      throw new Error('PDFWorker.fromPort - invalid method signature.');
+    }
     if (pdfWorkerPorts.has(params.port)) {
       return pdfWorkerPorts.get(params.port);
     }
     return new PDFWorker(params);
   };
   PDFWorker.getWorkerSrc = function () {
     return getWorkerSrc();
   };
   return PDFWorker;
 }();
 var WorkerTransport = function WorkerTransportClosure() {
-  function WorkerTransport(messageHandler, loadingTask, networkStream, params, CMapReaderFactory) {
+  function WorkerTransport(messageHandler, loadingTask, networkStream, params) {
     this.messageHandler = messageHandler;
     this.loadingTask = loadingTask;
     this.commonObjs = new PDFObjects();
     this.fontLoader = new _font_loader.FontLoader(loadingTask.docId);
     this._params = params;
-    this.CMapReaderFactory = new CMapReaderFactory({
+    this.CMapReaderFactory = new params.CMapReaderFactory({
       baseUrl: params.cMapUrl,
       isCompressed: params.cMapPacked
     });
     this.destroyed = false;
     this.destroyCapability = null;
     this._passwordCapability = null;
     this._networkStream = networkStream;
     this._fullReader = null;
@@ -5100,17 +5079,16 @@ var WorkerTransport = function WorkerTra
         this.loadingTask._capability.reject(new _util.UnexpectedResponseException(exception.message, exception.status));
       }, this);
       messageHandler.on('UnknownError', function transportUnknownError(exception) {
         this.loadingTask._capability.reject(new _util.UnknownErrorException(exception.message, exception.details));
       }, this);
       messageHandler.on('DataLoaded', function transportPage(data) {
         this.downloadInfoCapability.resolve(data);
       }, this);
-      messageHandler.on('PDFManagerReady', function transportPage(data) {}, this);
       messageHandler.on('StartRenderPage', function transportRender(data) {
         if (this.destroyed) {
           return;
         }
         var page = this.pageCache[data.pageIndex];
         page._stats.timeEnd('Page Request');
         page._startRenderPage(data.transparency, data.intent);
       }, this);
@@ -5257,17 +5235,17 @@ var WorkerTransport = function WorkerTra
         }
         return new Promise(function (resolve, reject) {
           var img = new Image();
           img.onload = function () {
             var width = img.width;
             var height = img.height;
             var size = width * height;
             var rgbaLength = size * 4;
-            var buf = new Uint8Array(size * components);
+            var buf = new Uint8ClampedArray(size * components);
             var tmpCanvas = document.createElement('canvas');
             tmpCanvas.width = width;
             tmpCanvas.height = height;
             var tmpCtx = tmpCanvas.getContext('2d');
             tmpCtx.drawImage(img, 0, 0);
             var data = tmpCtx.getImageData(0, 0, width, height).data;
             var i, j;
             if (components === 3) {
@@ -5555,17 +5533,17 @@ var InternalRenderTask = function Intern
       } else {
         this._scheduleNext();
       }
     },
     _scheduleNext: function InternalRenderTask__scheduleNext() {
       if (this.useRequestAnimationFrame && typeof window !== 'undefined') {
         window.requestAnimationFrame(this._nextBound);
       } else {
-        Promise.resolve(undefined).then(this._nextBound);
+        Promise.resolve().then(this._nextBound).catch(this.callback);
       }
     },
     _next: function InternalRenderTask__next() {
       if (this.cancelled) {
         return;
       }
       this.operatorListIdx = this.gfx.executeOperatorList(this.operatorList, this.operatorListIdx, this._continueBound, this.stepper);
       if (this.operatorListIdx === this.operatorList.argsArray.length) {
@@ -5579,18 +5557,18 @@ var InternalRenderTask = function Intern
         }
       }
     }
   };
   return InternalRenderTask;
 }();
 var version, build;
 {
-  exports.version = version = '2.0.550';
-  exports.build = build = '76337fdc';
+  exports.version = version = '2.0.575';
+  exports.build = build = '2030d171';
 }
 exports.getDocument = getDocument;
 exports.LoopbackPort = LoopbackPort;
 exports.PDFDataRangeTransport = PDFDataRangeTransport;
 exports.PDFWorker = PDFWorker;
 exports.PDFDocumentProxy = PDFDocumentProxy;
 exports.PDFPageProxy = PDFPageProxy;
 exports.setPDFNetworkStreamFactory = setPDFNetworkStreamFactory;
@@ -5602,17 +5580,17 @@ exports.build = build;
 /***/ (function(module, exports, __w_pdfjs_require__) {
 
 "use strict";
 
 
 Object.defineProperty(exports, "__esModule", {
   value: true
 });
-exports.DummyStatTimer = exports.StatTimer = exports.DOMSVGFactory = exports.DOMCMapReaderFactory = exports.DOMCanvasFactory = exports.DEFAULT_LINK_REL = exports.LinkTarget = exports.getFilenameFromUrl = exports.addLinkAttributes = exports.RenderingCancelledException = exports.PageViewport = undefined;
+exports.loadScript = exports.DummyStatTimer = exports.StatTimer = exports.DOMSVGFactory = exports.DOMCMapReaderFactory = exports.DOMCanvasFactory = exports.DEFAULT_LINK_REL = exports.LinkTarget = exports.getFilenameFromUrl = exports.addLinkAttributes = exports.RenderingCancelledException = exports.PageViewport = undefined;
 
 var _util = __w_pdfjs_require__(1);
 
 const DEFAULT_LINK_REL = 'noopener noreferrer nofollow';
 const SVG_NS = 'http://www.w3.org/2000/svg';
 class DOMCanvasFactory {
   create(width, height) {
     if (width <= 0 || height <= 0) {
@@ -5873,27 +5851,39 @@ class DummyStatTimer {
     (0, _util.unreachable)('Cannot initialize DummyStatTimer.');
   }
   static time(name) {}
   static timeEnd(name) {}
   static toString() {
     return '';
   }
 }
+function loadScript(src) {
+  return new Promise((resolve, reject) => {
+    let script = document.createElement('script');
+    script.src = src;
+    script.onload = resolve;
+    script.onerror = function () {
+      reject(new Error(`Cannot load script at: ${script.src}`));
+    };
+    (document.head || document.documentElement).appendChild(script);
+  });
+}
 exports.PageViewport = PageViewport;
 exports.RenderingCancelledException = RenderingCancelledException;
 exports.addLinkAttributes = addLinkAttributes;
 exports.getFilenameFromUrl = getFilenameFromUrl;
 exports.LinkTarget = LinkTarget;
 exports.DEFAULT_LINK_REL = DEFAULT_LINK_REL;
 exports.DOMCanvasFactory = DOMCanvasFactory;
 exports.DOMCMapReaderFactory = DOMCMapReaderFactory;
 exports.DOMSVGFactory = DOMSVGFactory;
 exports.StatTimer = StatTimer;
 exports.DummyStatTimer = DummyStatTimer;
+exports.loadScript = loadScript;
 
 /***/ }),
 /* 8 */
 /***/ (function(module, exports, __w_pdfjs_require__) {
 
 "use strict";
 
 

--- a/browser/extensions/pdfjs/content/build/pdf.worker.js
+++ b/browser/extensions/pdfjs/content/build/pdf.worker.js
@@ -118,18 +118,18 @@ return /******/ (function(modules) { // 
 /************************************************************************/
 /******/ ([
 /* 0 */
 /***/ (function(module, exports, __w_pdfjs_require__) {
 
 "use strict";
 
 
-var pdfjsVersion = '2.0.550';
-var pdfjsBuild = '76337fdc';
+var pdfjsVersion = '2.0.575';
+var pdfjsBuild = '2030d171';
 var pdfjsCoreWorker = __w_pdfjs_require__(1);
 exports.WorkerMessageHandler = pdfjsCoreWorker.WorkerMessageHandler;
 
 /***/ }),
 /* 1 */
 /***/ (function(module, exports, __w_pdfjs_require__) {
 
 "use strict";
@@ -288,17 +288,17 @@ var WorkerMessageHandler = {
   setup(handler, port) {
     var testMessageProcessed = false;
     handler.on('test', function wphSetupTest(data) {
       if (testMessageProcessed) {
         return;
       }
       testMessageProcessed = true;
       if (!(data instanceof Uint8Array)) {
-        handler.send('test', 'main', false);
+        handler.send('test', false);
         return;
       }
       var supportTransfers = data[0] === 255;
       handler.postMessageTransfers = supportTransfers;
       var xhr = new XMLHttpRequest();
       var responseExists = 'response' in xhr;
       try {
         xhr.responseType;
@@ -322,17 +322,17 @@ var WorkerMessageHandler = {
     });
   },
   createDocumentHandler(docParams, port) {
     var pdfManager;
     var terminated = false;
     var cancelXHRs = null;
     var WorkerTasks = [];
     let apiVersion = docParams.apiVersion;
-    let workerVersion = '2.0.550';
+    let workerVersion = '2.0.575';
     if (apiVersion !== null && apiVersion !== workerVersion) {
       throw new Error(`The API version "${apiVersion}" does not match ` + `the Worker version "${workerVersion}".`);
     }
     var docId = docParams.docId;
     var docBaseUrl = docParams.docBaseUrl;
     var workerHandlerName = docParams.docId + '_worker';
     var handler = new _message_handler.MessageHandler(workerHandlerName, docId, port);
     handler.postMessageTransfers = docParams.postMessageTransfers;
@@ -521,34 +521,29 @@ var WorkerMessageHandler = {
         isEvalSupported: data.isEvalSupported
       };
       getPdfManager(data, evaluatorOptions).then(function (newPdfManager) {
         if (terminated) {
           newPdfManager.terminate();
           throw new Error('Worker was terminated');
         }
         pdfManager = newPdfManager;
-        handler.send('PDFManagerReady', null);
         pdfManager.onLoadedStream().then(function (stream) {
           handler.send('DataLoaded', { length: stream.bytes.byteLength });
         });
       }).then(pdfManagerReady, onFailure);
     }
     handler.on('GetPage', function wphSetupGetPage(data) {
       return pdfManager.getPage(data.pageIndex).then(function (page) {
-        var rotatePromise = pdfManager.ensure(page, 'rotate');
-        var refPromise = pdfManager.ensure(page, 'ref');
-        var userUnitPromise = pdfManager.ensure(page, 'userUnit');
-        var viewPromise = pdfManager.ensure(page, 'view');
-        return Promise.all([rotatePromise, refPromise, userUnitPromise, viewPromise]).then(function (results) {
+        return Promise.all([pdfManager.ensure(page, 'rotate'), pdfManager.ensure(page, 'ref'), pdfManager.ensure(page, 'userUnit'), pdfManager.ensure(page, 'view')]).then(function ([rotate, ref, userUnit, view]) {
           return {
-            rotate: results[0],
-            ref: results[1],
-            userUnit: results[2],
-            view: results[3]
+            rotate,
+            ref,
+            userUnit,
+            view
           };
         });
       });
     });
     handler.on('GetPageIndex', function wphSetupGetPageIndex(data) {
       var ref = new _primitives.Ref(data.ref.num, data.ref.gen);
       var catalog = pdfManager.pdfDocument.catalog;
       return catalog.getPageIndex(ref);
@@ -1364,48 +1359,28 @@ var Util = function UtilClosure() {
     romanBuf.push(ROMAN_NUMBER_MAP[pos]);
     pos = number / 10 | 0;
     number %= 10;
     romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]);
     romanBuf.push(ROMAN_NUMBER_MAP[20 + number]);
     var romanStr = romanBuf.join('');
     return lowerCase ? romanStr.toLowerCase() : romanStr;
   };
-  Util.appendToArray = function Util_appendToArray(arr1, arr2) {
-    Array.prototype.push.apply(arr1, arr2);
-  };
-  Util.prependToArray = function Util_prependToArray(arr1, arr2) {
-    Array.prototype.unshift.apply(arr1, arr2);
-  };
   Util.extendObj = function extendObj(obj1, obj2) {
     for (var key in obj2) {
       obj1[key] = obj2[key];
     }
   };
   Util.inherit = function Util_inherit(sub, base, prototype) {
     sub.prototype = Object.create(base.prototype);
     sub.prototype.constructor = sub;
     for (var prop in prototype) {
       sub.prototype[prop] = prototype[prop];
     }
   };
-  Util.loadScript = function Util_loadScript(src, callback) {
-    var script = document.createElement('script');
-    var loaded = false;
-    script.setAttribute('src', src);
-    if (callback) {
-      script.onload = function () {
-        if (!loaded) {
-          callback();
-        }
-        loaded = true;
-      };
-    }
-    document.getElementsByTagName('head')[0].appendChild(script);
-  };
   return Util;
 }();
 var PDFStringTranslateTable = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2D8, 0x2C7, 0x2C6, 0x2D9, 0x2DD, 0x2DB, 0x2DA, 0x2DC, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014, 0x2013, 0x192, 0x2044, 0x2039, 0x203A, 0x2212, 0x2030, 0x201E, 0x201C, 0x201D, 0x2018, 0x2019, 0x201A, 0x2122, 0xFB01, 0xFB02, 0x141, 0x152, 0x160, 0x178, 0x17D, 0x131, 0x142, 0x153, 0x161, 0x17E, 0, 0x20AC];
 function stringToPDFString(str) {
   var i,
       n = str.length,
       strBuf = [];
   if (str[0] === '\xFE' && str[1] === '\xFF') {
@@ -8784,17 +8759,17 @@ var StreamsSequenceStream = function Str
     buffer.set(chunk, bufferLength);
     this.bufferLength = newLength;
   };
   StreamsSequenceStream.prototype.getBaseStreams = function StreamsSequenceStream_getBaseStreams() {
     var baseStreams = [];
     for (var i = 0, ii = this.streams.length; i < ii; i++) {
       var stream = this.streams[i];
       if (stream.getBaseStreams) {
-        _util.Util.appendToArray(baseStreams, stream.getBaseStreams());
+        baseStreams.push(...stream.getBaseStreams());
       }
     }
     return baseStreams;
   };
   return StreamsSequenceStream;
 }();
 var FlateStream = function FlateStreamClosure() {
   var codeLenCodeMap = new Int32Array([16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15]);

--- a/browser/extensions/pdfjs/content/web/viewer.js
+++ b/browser/extensions/pdfjs/content/web/viewer.js
@@ -1332,45 +1332,26 @@ let PDFViewerApplication = {
     _boundEvents.windowHashChange = null;
     _boundEvents.windowBeforePrint = null;
     _boundEvents.windowAfterPrint = null;
   }
 };
 let validateFileURL;
 ;
 function loadFakeWorker() {
-  return new Promise(function (resolve, reject) {
-    if (!_pdfjsLib.GlobalWorkerOptions.workerSrc) {
-      _pdfjsLib.GlobalWorkerOptions.workerSrc = _app_options.AppOptions.get('workerSrc');
-    }
-    let script = document.createElement('script');
-    script.src = _pdfjsLib.PDFWorker.getWorkerSrc();
-    script.onload = function () {
-      resolve();
-    };
-    script.onerror = function () {
-      reject(new Error(`Cannot load fake worker at: ${script.src}`));
-    };
-    (document.head || document.documentElement).appendChild(script);
-  });
+  if (!_pdfjsLib.GlobalWorkerOptions.workerSrc) {
+    _pdfjsLib.GlobalWorkerOptions.workerSrc = _app_options.AppOptions.get('workerSrc');
+  }
+  return (0, _pdfjsLib.loadScript)(_pdfjsLib.PDFWorker.getWorkerSrc());
 }
 function loadAndEnablePDFBug(enabledTabs) {
-  return new Promise(function (resolve, reject) {
-    let appConfig = PDFViewerApplication.appConfig;
-    let script = document.createElement('script');
-    script.src = appConfig.debuggerScriptPath;
-    script.onload = function () {
-      PDFBug.enable(enabledTabs);
-      PDFBug.init({ OPS: _pdfjsLib.OPS }, appConfig.mainContainer);
-      resolve();
-    };
-    script.onerror = function () {
-      reject(new Error('Cannot load debugger at ' + script.src));
-    };
-    (document.getElementsByTagName('head')[0] || document.body).appendChild(script);
+  let appConfig = PDFViewerApplication.appConfig;
+  return (0, _pdfjsLib.loadScript)(appConfig.debuggerScriptPath).then(function () {
+    PDFBug.enable(enabledTabs);
+    PDFBug.init({ OPS: _pdfjsLib.OPS }, appConfig.mainContainer);
   });
 }
 function webViewerInitialized() {
   let appConfig = PDFViewerApplication.appConfig;
   let file;
   file = window.location.href.split('#')[0];
   appConfig.toolbar.openFile.setAttribute('hidden', 'true');
   appConfig.secondaryToolbar.openFileButton.setAttribute('hidden', 'true');

--- a/dom/base/nsDocument.cpp
+++ b/dom/base/nsDocument.cpp
@@ -2598,23 +2598,18 @@ WarnIfSandboxIneffective(nsIDocShell* aD
                                     nsContentUtils::eSECURITY_PROPERTIES,
                                     "BothAllowScriptsAndSameOriginPresent",
                                     nullptr, 0, iframeUri);
   }
 }
 
 bool
 nsIDocument::IsSynthesized() {
-  nsCOMPtr<nsIHttpChannelInternal> internalChan = do_QueryInterface(mChannel);
-  bool synthesized = false;
-  if (internalChan) {
-    DebugOnly<nsresult> rv = internalChan->GetResponseSynthesized(&synthesized);
-    MOZ_ASSERT(NS_SUCCEEDED(rv), "GetResponseSynthesized shouldn't fail.");
-  }
-  return synthesized;
+  nsCOMPtr<nsILoadInfo> loadInfo = mChannel ? mChannel->GetLoadInfo() : nullptr;
+  return loadInfo && loadInfo->GetServiceWorkerTaintingSynthesized();
 }
 
 bool
 nsDocument::IsShadowDOMEnabled(JSContext* aCx, JSObject* aObject)
 {
   JS::Rooted<JSObject*> obj(aCx, aObject);
 
   JSAutoRealm ar(aCx, obj);

--- a/layout/generic/CSSAlignUtils.cpp
+++ b/layout/generic/CSSAlignUtils.cpp
@@ -10,18 +10,17 @@
 #include "ReflowInput.h"
 
 namespace mozilla {
 
 static nscoord
 SpaceToFill(WritingMode aWM, const LogicalSize& aSize, nscoord aMargin,
             LogicalAxis aAxis, nscoord aCBSize)
 {
-  nscoord size = aAxis == eLogicalAxisBlock ? aSize.BSize(aWM)
-                                            : aSize.ISize(aWM);
+  nscoord size = aSize.Size(aAxis, aWM);
   return aCBSize - (size + aMargin);
 }
 
 nscoord
 CSSAlignUtils::AlignJustifySelf(uint8_t aAlignment, LogicalAxis aAxis,
                                 AlignJustifyFlags aFlags,
                                 nscoord aBaselineAdjust, nscoord aCBSize,
                                 const ReflowInput& aRI,
@@ -124,35 +123,32 @@ CSSAlignUtils::AlignJustifySelf(uint8_t 
   // achieve the requested alignment.
   nscoord offset = 0;
   switch (aAlignment) {
     case NS_STYLE_ALIGN_BASELINE:
     case NS_STYLE_ALIGN_LAST_BASELINE:
       if (MOZ_LIKELY(isSameSide == (aAlignment == NS_STYLE_ALIGN_BASELINE))) {
         offset = marginStart + aBaselineAdjust;
       } else {
-        nscoord size = aAxis == eLogicalAxisBlock ? aChildSize.BSize(wm)
-                                                  : aChildSize.ISize(wm);
+        nscoord size = aChildSize.Size(aAxis, wm);
         offset = aCBSize - (size + marginEnd) - aBaselineAdjust;
       }
       break;
     case NS_STYLE_ALIGN_STRETCH:
       MOZ_FALLTHROUGH; // ComputeSize() deals with it
     case NS_STYLE_ALIGN_START:
       offset = marginStart;
       break;
     case NS_STYLE_ALIGN_END: {
-      nscoord size = aAxis == eLogicalAxisBlock ? aChildSize.BSize(wm)
-                                                : aChildSize.ISize(wm);
+      nscoord size = aChildSize.Size(aAxis, wm);
       offset = aCBSize - (size + marginEnd);
       break;
     }
     case NS_STYLE_ALIGN_CENTER: {
-      nscoord size = aAxis == eLogicalAxisBlock ? aChildSize.BSize(wm)
-                                                : aChildSize.ISize(wm);
+      nscoord size = aChildSize.Size(aAxis, wm);
       offset = (aCBSize - size + marginStart - marginEnd) / 2;
       break;
     }
     default:
       MOZ_ASSERT_UNREACHABLE("unknown align-/justify-self value");
   }
 
   return offset;

--- a/netwerk/protocol/http/HttpBaseChannel.cpp
+++ b/netwerk/protocol/http/HttpBaseChannel.cpp
@@ -467,31 +467,16 @@ HttpBaseChannel::GetLoadFlags(nsLoadFlag
   NS_ENSURE_ARG_POINTER(aLoadFlags);
   *aLoadFlags = mLoadFlags;
   return NS_OK;
 }
 
 NS_IMETHODIMP
 HttpBaseChannel::SetLoadFlags(nsLoadFlags aLoadFlags)
 {
-  bool synthesized = false;
-  nsresult rv = GetResponseSynthesized(&synthesized);
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  // If this channel is marked as awaiting a synthesized response,
-  // modifying certain load flags can interfere with the implementation
-  // of the network interception logic. This takes care of a couple
-  // known cases that attempt to mark channels as anonymous due
-  // to cross-origin redirects; since the response is entirely synthesized
-  // this is an unnecessary precaution.
-  // This should be removed when bug 1201683 is fixed.
-  if (synthesized && aLoadFlags != mLoadFlags) {
-    aLoadFlags &= ~LOAD_ANONYMOUS;
-  }
-
   mLoadFlags = aLoadFlags;
   return NS_OK;
 }
 
 NS_IMETHODIMP
 HttpBaseChannel::SetDocshellUserAgentOverride()
 {
   // This sets the docshell specific user agent override, it will be overwritten

--- a/netwerk/protocol/http/HttpChannelChild.cpp
+++ b/netwerk/protocol/http/HttpChannelChild.cpp
@@ -3633,24 +3633,16 @@ HttpChannelChild::ResetInterception()
 
   // Continue with the original cross-process request
   nsresult rv = ContinueAsyncOpen();
   if (NS_WARN_IF(NS_FAILED(rv))) {
     Unused << Cancel(rv);
   }
 }
 
-NS_IMETHODIMP
-HttpChannelChild::GetResponseSynthesized(bool* aSynthesized)
-{
-  NS_ENSURE_ARG_POINTER(aSynthesized);
-  *aSynthesized = mSynthesizedResponse;
-  return NS_OK;
-}
-
 void
 HttpChannelChild::TrySendDeletingChannel()
 {
   if (!mDeletingChannelSent.compareExchange(false, true)) {
     // SendDeletingChannel is already sent.
     return;
   }
 

--- a/netwerk/protocol/http/HttpChannelChild.h
+++ b/netwerk/protocol/http/HttpChannelChild.h
@@ -177,18 +177,16 @@ protected:
   virtual void ActorDestroy(ActorDestroyReason aWhy) override;
 
   MOZ_MUST_USE bool
   GetAssociatedContentSecurity(nsIAssociatedContentSecurity** res = nullptr);
   virtual void DoNotifyListenerCleanup() override;
 
   virtual void DoAsyncAbort(nsresult aStatus) override;
 
-  NS_IMETHOD GetResponseSynthesized(bool* aSynthesized) override;
-
   nsresult
   AsyncCall(void (HttpChannelChild::*funcPtr)(),
             nsRunnableMethod<HttpChannelChild> **retval = nullptr) override;
 
   // Get event target for processing network events.
   already_AddRefed<nsIEventTarget> GetNeckoTarget() override;
 
   virtual mozilla::ipc::IPCResult RecvLogBlockedCORSRequest(const nsString& aMessage) override;

--- a/netwerk/protocol/http/InterceptedHttpChannel.cpp
+++ b/netwerk/protocol/http/InterceptedHttpChannel.cpp
@@ -603,23 +603,16 @@ NS_IMETHODIMP
 InterceptedHttpChannel::SetupFallbackChannel(const char*  aFallbackKey)
 {
   // AppCache should not be used with service worker intercepted channels.
   // This should never be called.
   return NS_ERROR_NOT_IMPLEMENTED;
 }
 
 NS_IMETHODIMP
-InterceptedHttpChannel::GetResponseSynthesized(bool* aResponseSynthesized)
-{
-  *aResponseSynthesized = mResponseHead || mBodyReader;
-  return NS_OK;
-}
-
-NS_IMETHODIMP
 InterceptedHttpChannel::SetPriority(int32_t aPriority)
 {
   mPriority = clamped<int32_t>(aPriority, INT16_MIN, INT16_MAX);
   return NS_OK;
 }
 
 NS_IMETHODIMP
 InterceptedHttpChannel::SetClassFlags(uint32_t aClassFlags)

--- a/netwerk/protocol/http/InterceptedHttpChannel.h
+++ b/netwerk/protocol/http/InterceptedHttpChannel.h
@@ -169,19 +169,16 @@ public:
 
   NS_IMETHOD
   LogBlockedCORSRequest(const nsAString & aMessage) override;
 
   NS_IMETHOD
   SetupFallbackChannel(const char * aFallbackKey) override;
 
   NS_IMETHOD
-  GetResponseSynthesized(bool *aResponseSynthesized) override;
-
-  NS_IMETHOD
   SetPriority(int32_t aPriority) override;
 
   NS_IMETHOD
   SetClassFlags(uint32_t aClassFlags) override;
 
   NS_IMETHOD
   ClearClassFlags(uint32_t flags) override;
 

--- a/netwerk/protocol/http/nsCORSListenerProxy.cpp
+++ b/netwerk/protocol/http/nsCORSListenerProxy.cpp
@@ -561,21 +561,18 @@ nsCORSListenerProxy::CheckRequestApprove
 
   // Test that things worked on a HTTP level
   nsCOMPtr<nsIHttpChannel> http = do_QueryInterface(aRequest);
   if (!http) {
     LogBlockedRequest(aRequest, "CORSRequestNotHttp", nullptr, topChannel);
     return NS_ERROR_DOM_BAD_URI;
   }
 
-  nsCOMPtr<nsIHttpChannelInternal> internal = do_QueryInterface(aRequest);
-  NS_ENSURE_STATE(internal);
-  bool responseSynthesized = false;
-  if (NS_SUCCEEDED(internal->GetResponseSynthesized(&responseSynthesized)) &&
-      responseSynthesized) {
+  nsCOMPtr<nsILoadInfo> loadInfo = http->GetLoadInfo();
+  if (loadInfo && loadInfo->GetServiceWorkerTaintingSynthesized()) {
     // For synthesized responses, we don't need to perform any checks.
     // Note: This would be unsafe if we ever changed our behavior to allow
     // service workers to intercept CORS preflights.
     return NS_OK;
   }
 
   // Check the Access-Control-Allow-Origin header
   RefPtr<CheckOriginHeader> visitor = new CheckOriginHeader();
@@ -1265,25 +1262,19 @@ nsCORSPreflightListener::AddResultToCach
 }
 
 NS_IMETHODIMP
 nsCORSPreflightListener::OnStartRequest(nsIRequest *aRequest,
                                         nsISupports *aContext)
 {
 #ifdef DEBUG
   {
-    nsCOMPtr<nsIHttpChannelInternal> internal = do_QueryInterface(aRequest);
-    bool responseSynthesized = false;
-    if (internal &&
-        NS_SUCCEEDED(internal->GetResponseSynthesized(&responseSynthesized))) {
-      // For synthesized responses, we don't need to perform any checks.
-      // This would be unsafe if we ever changed our behavior to allow
-      // service workers to intercept CORS preflights.
-      MOZ_ASSERT(!responseSynthesized);
-    }
+    nsCOMPtr<nsIChannel> channel = do_QueryInterface(aRequest);
+    nsCOMPtr<nsILoadInfo> loadInfo = channel ? channel->GetLoadInfo() : nullptr;
+    MOZ_ASSERT(!loadInfo || !loadInfo->GetServiceWorkerTaintingSynthesized());
   }
 #endif
 
   nsresult rv = CheckPreflightRequestApproved(aRequest);
 
   if (NS_SUCCEEDED(rv)) {
     // Everything worked, try to cache and then fire off the actual request.
     AddResultToCache(aRequest);

--- a/netwerk/protocol/http/nsHttpChannel.cpp
+++ b/netwerk/protocol/http/nsHttpChannel.cpp
@@ -8464,24 +8464,16 @@ nsHttpChannel::SetNotificationCallbacks(
 
     nsresult rv = HttpBaseChannel::SetNotificationCallbacks(aCallbacks);
     if (NS_SUCCEEDED(rv)) {
         UpdateAggregateCallbacks();
     }
     return rv;
 }
 
-NS_IMETHODIMP
-nsHttpChannel::GetResponseSynthesized(bool* aSynthesized)
-{
-    NS_ENSURE_ARG_POINTER(aSynthesized);
-    *aSynthesized = false;
-    return NS_OK;
-}
-
 bool
 nsHttpChannel::AwaitingCacheCallbacks()
 {
     return mCacheEntriesToWaitFor != 0;
 }
 
 void
 nsHttpChannel::SetPushedStream(Http2PushedStream *stream)

--- a/netwerk/protocol/http/nsHttpChannel.h
+++ b/netwerk/protocol/http/nsHttpChannel.h
@@ -252,17 +252,16 @@ public: /* internal necko use only */
         mChannel->mCacheEntriesToWaitFor &= mKeep;
       }
 
     private:
       nsHttpChannel* mChannel;
       uint32_t mKeep : 2;
     };
 
-    NS_IMETHOD GetResponseSynthesized(bool* aSynthesized) override;
     bool AwaitingCacheCallbacks();
     void SetCouldBeSynthesized();
 
     // Return true if the latest ODA is invoked by mCachePump.
     // Should only be called on the same thread as ODA.
     bool IsReadingFromCache() const { return mIsReadingFromCache; }
 
     base::ProcessId ProcessId();

--- a/netwerk/protocol/http/nsIHttpChannelInternal.idl
+++ b/netwerk/protocol/http/nsIHttpChannelInternal.idl
@@ -226,18 +226,16 @@ interface nsIHttpChannelInternal : nsISu
      * An opaque flags for non-standard behavior of the TLS system.
      * It is unlikely this will need to be set outside of telemetry studies
      * relating to the TLS implementation.
      */
     [must_use] attribute unsigned long tlsFlags;
 
     [must_use] readonly attribute PRTime lastModifiedTime;
 
-    [must_use] readonly attribute boolean responseSynthesized;
-
     /**
      * Set by nsCORSListenerProxy if credentials should be included in
      * cross-origin requests. false indicates "same-origin", users should still
      * check flag LOAD_ANONYMOUS!
      */
     [must_use] attribute boolean corsIncludeCredentials;
 
     const unsigned long CORS_MODE_SAME_ORIGIN = 0;

--- a/servo/components/style/values/animated/color.rs
+++ b/servo/components/style/values/animated/color.rs
@@ -87,26 +87,16 @@ impl ComputeSquaredDistance for RGBA {
         start
             .iter()
             .zip(&end)
             .map(|(this, other)| this.compute_squared_distance(other))
             .sum()
     }
 }
 
-impl Animate for ComplexColorRatios {
-    #[inline]
-    fn animate(&self, other: &Self, procedure: Procedure) -> Result<Self, ()> {
-        let bg = self.bg.animate(&other.bg, procedure)?;
-        let fg = self.fg.animate(&other.fg, procedure)?;
-
-        Ok(ComplexColorRatios { bg, fg })
-    }
-}
-
 /// An animated value for `<color>`.
 pub type Color = GenericColor<RGBA>;
 
 impl Color {
     fn effective_intermediate_rgba(&self) -> RGBA {
         match *self {
             GenericColor::Numeric(color) => color,
             GenericColor::Foreground => RGBA::transparent(),

--- a/servo/components/style/values/generics/color.rs
+++ b/servo/components/style/values/generics/color.rs
@@ -1,17 +1,17 @@
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 //! Generic types for color properties.
 
 /// Ratios representing the contribution of color and currentcolor to
 /// the final color value.
-#[derive(Clone, Copy, Debug, MallocSizeOf, PartialEq, ToAnimatedValue)]
+#[derive(Animate, Clone, Copy, Debug, MallocSizeOf, PartialEq, ToAnimatedValue)]
 pub struct ComplexColorRatios {
     /// Numeric color contribution.
     pub bg: f32,
     /// Foreground color, aka currentcolor, contribution.
     pub fg: f32,
 }
 
 impl ComplexColorRatios {

--- a/xpcom/io/FilePreferences.cpp
+++ b/xpcom/io/FilePreferences.cpp
@@ -94,55 +94,57 @@ bool Normalizer::Get(nsAString& aNormali
 
   if (Check(mSeparator)) {
     aNormalizedFilePath.Append(mSeparator.AsChar());
   }
   if (Check(mSeparator)) {
     aNormalizedFilePath.Append(mSeparator.AsChar());
   }
 
-  if (!ConsumeName()) {
-    return false;
+  while (HasInput()) {
+    if (!ConsumeName()) {
+      return false;
+    }
   }
 
   for (auto const& name : mStack) {
     aNormalizedFilePath.Append(name);
   }
 
   return true;
 }
 
 bool Normalizer::ConsumeName()
 {
-  if (!HasInput() || CheckEOF()) {
+  if (CheckEOF()) {
     return true;
   }
 
   if (CheckCurrentDir()) {
-    return ConsumeName();
+    return true;
   }
 
   if (CheckParentDir()) {
     if (!mStack.Length()) {
       // This means there are more \.. than valid names
       return false;
     }
 
     mStack.RemoveLastElement();
-    return ConsumeName();
+    return true;
   }
 
   nsDependentSubstring name;
   if (ReadUntil(mSeparator, name, INCLUDE_LAST) && name.Length() == 1) {
     // this means and empty name (a lone slash), which is illegal
     return false;
   }
   mStack.AppendElement(name);
 
-  return ConsumeName();
+  return true;
 }
 
 bool Normalizer::CheckCurrentDir()
 {
   nsString::const_char_iterator cursor = mCursor;
   if (CheckChar('.') && CheckSeparator()) {
     return true;
   }

--- a/xpcom/threads/IdleTaskRunner.cpp
+++ b/xpcom/threads/IdleTaskRunner.cpp
@@ -37,16 +37,17 @@ IdleTaskRunner::IdleTaskRunner(const Cal
                                const MayStopProcessingCallbackType& aMayStopProcessing,
                                TaskCategory aTaskCategory)
   : IdleRunnable(aRunnableName)
   , mCallback(aCallback), mDelay(aDelay)
   , mBudget(TimeDuration::FromMilliseconds(aBudget))
   , mRepeating(aRepeating), mTimerActive(false)
   , mMayStopProcessing(aMayStopProcessing)
   , mTaskCategory(aTaskCategory)
+  , mName(aRunnableName)
 {
 }
 
 NS_IMETHODIMP
 IdleTaskRunner::Run()
 {
   if (!mCallback) {
     return NS_OK;
@@ -154,17 +155,17 @@ IdleTaskRunner::Schedule(bool aAllowIdle
       }
       if (TaskCategory::Count != mTaskCategory) {
         mScheduleTimer->SetTarget(SystemGroup::EventTargetFor(mTaskCategory));
       }
       // We weren't allowed to do idle dispatch immediately, do it after a
       // short timeout.
       mScheduleTimer->InitWithNamedFuncCallback(ScheduleTimedOut, this, 16,
                                                 nsITimer::TYPE_ONE_SHOT_LOW_PRIORITY,
-                                                "IdleTaskRunner");
+                                                mName);
     }
   }
 }
 
 IdleTaskRunner::~IdleTaskRunner()
 {
   CancelTimer();
 }
@@ -196,14 +197,14 @@ IdleTaskRunner::SetTimerInternal(uint32_
   }
 
   if (mTimer) {
     if (TaskCategory::Count != mTaskCategory) {
       mTimer->SetTarget(SystemGroup::EventTargetFor(mTaskCategory));
     }
     mTimer->InitWithNamedFuncCallback(TimedOut, this, aDelay,
                                       nsITimer::TYPE_ONE_SHOT,
-                                      "IdleTaskRunner");
+                                      mName);
     mTimerActive = true;
   }
 }
 
 } // end of namespace mozilla

--- a/xpcom/threads/IdleTaskRunner.h
+++ b/xpcom/threads/IdleTaskRunner.h
@@ -62,13 +62,14 @@ private:
   CallbackType mCallback;
   uint32_t mDelay;
   TimeStamp mDeadline;
   TimeDuration mBudget;
   bool mRepeating;
   bool mTimerActive;
   MayStopProcessingCallbackType mMayStopProcessing;
   TaskCategory mTaskCategory;
+  const char* mName;
 };
 
 } // end of namespace mozilla.
 
 #endif