mozilla-central: changeset 429708:9fb10f4b87651779edf5704864fd49ddbc696ffc

author	Boris Zbarsky <bzbarsky@mit.edu>
	Wed, 01 Aug 2018 13:46:01 -0400
changeset 429708	9fb10f4b87651779edf5704864fd49ddbc696ffc
parent 429707	e0d563f77c20377cc2d5dbeecff048e9008839a6
child 429709	ef0b0f63345d19fe579f5516e0f861de3f188d6e
push id	34372
push user	nerli@mozilla.com
push date	Thu, 02 Aug 2018 08:55:28 +0000
treeherder	mozilla-central@bd79b07f57a3 [default view] [failures only]
perfherder	[talos] [build metrics] [platform microbench] (compared to previous push)
reviewers	bzbarsky
bugs	1446940
milestone	63.0a1
first release with	nightly linux32 bd79b07f57a3 / 63.0a1 / 20180802100128 / files nightly linux64 bd79b07f57a3 / 63.0a1 / 20180802100128 / files nightly mac bd79b07f57a3 / 63.0a1 / 20180802100128 / files nightly win32 bd79b07f57a3 / 63.0a1 / 20180802100128 / files nightly win64 bd79b07f57a3 / 63.0a1 / 20180802100128 / files
last release without	nightly linux32 af6a7edf0069 / 63.0a1 / 20180801100116 / files nightly linux64 af6a7edf0069 / 63.0a1 / 20180801100116 / files nightly mac af6a7edf0069 / 63.0a1 / 20180801100116 / files nightly win32 af6a7edf0069 / 63.0a1 / 20180801100116 / files nightly win64 af6a7edf0069 / 63.0a1 / 20180801100116 / files

--- a/browser/base/content/test/performance/head.js
+++ b/browser/base/content/test/performance/head.js
@@ -66,17 +66,17 @@ async function recordReflows(testPromise
   };
   Services.els.addListenerForAllEvents(win, dirtyFrameFn, true);
 
   try {
     dirtyFrame(win);
     await testPromise;
   } finally {
     Services.els.removeListenerForAllEvents(win, dirtyFrameFn, true);
-    docShell.removeWeakReflowObserver(observer);
+    win.docShell.removeWeakReflowObserver(observer);
   }
 
   return reflows;
 }
 
 /**
  * Utility function to report unexpected reflows.
  *