rename from mobile/android/.eslintrc
rename to mobile/android/.eslintrc.js
--- a/mobile/android/.eslintrc
+++ b/mobile/android/.eslintrc.js
@@ -1,115 +1,120 @@
-env:
-    browser: true
+"use strict";
 
-globals:
-    Components: false
+module.exports = {
+  env: {
+    "browser": true
+  },
+  globals: {
+    "Components": false,
 
-    # TODO: Create custom rule for `Cu.import`
-    AddonManager: false
-    AppConstants: false
-    Downloads: false
-    File: false
-    FileUtils: false
-    HelperApps: true # TODO: Can be more specific here.
-    JNI: true # TODO: Can be more specific here.
-    LightweightThemeManager: false
-    Messaging: false
-    Notifications: false
-    OS: false
-    ParentalControls: false
-    PrivateBrowsingUtils: false
-    Prompt: false
-    Services: false
-    SharedPreferences: false
-    strings: false
-    Strings: false
-    Task: false
-    TelemetryStopwatch: false
-    UITelemetry: false
-    UserAgentOverrides: 0
-    XPCOMUtils: false
-    ctypes: false
-    dump: false
-    exports: false
-    importScripts: false
-    module: false
-    require: false
-    uuidgen: false
+    // TODO: Create custom rule for `Cu.import`
+    "AddonManager": false,
+    "AppConstants": false,
+    "Downloads": false,
+    "File": false,
+    "FileUtils": false,
+    "HelperApps": true, // TODO: Can be more specific here.
+    "JNI": true, // TODO: Can be more specific here.
+    "LightweightThemeManager": false,
+    "Messaging": false,
+    "Notifications": false,
+    "OS": false,
+    "ParentalControls": false,
+    "PrivateBrowsingUtils": false,
+    "Prompt": false,
+    "Services": false,
+    "SharedPreferences": false,
+    "strings": false,
+    "Strings": false,
+    "Task": false,
+    "TelemetryStopwatch": false,
+    "UITelemetry": false,
+    "UserAgentOverrides": 0,
+    "XPCOMUtils": false,
+    "ctypes": false,
+    "dump": false,
+    "exports": false,
+    "importScripts": false,
+    "module": false,
+    "require": false,
+    "uuidgen": false,
 
-    Iterator: false # TODO: Remove - deprecated!
-
-rules:
-    global-strict: 0 # Overridden by "strict"
-    no-underscore-dangle: 0 # We allow trailing underscores in names.
+    "Iterator": false // TODO: Remove - deprecated!
+  },
+  rules: {
+    "global-strict": "off", // Overridden by "strict"
+    "no-underscore-dangle": "off", // We allow trailing underscores in names.
 
-    # We disable everything to get all files to pass w/o updating them.
-    # We'll re-enable one by one.
-    camelcase: 0
-    comma-dangle: 0
-    comma-spacing: 0
+    // We disable everything to get all files to pass w/o updating them.
+    // We'll re-enable one by one.
+    "camelcase": "off",
+    "comma-dangle": "off",
+    "comma-spacing": "off",
 
-    # XXX Bug 1358949 - This should be reduced down - probably to 20 or to
-    # be removed & synced with the mozilla/recommended value.
-    complexity: ["error", 31]
+    // XXX Bug 1358949 - This should be reduced down - probably to 20 or to
+    // be removed & synced with the mozilla/recommended value.
+    "complexity": ["error", 31],
 
-    consistent-return: 0
-    curly: 0
-    dot-notation: 0
-    eqeqeq: 0
-    key-spacing: 0
-    new-cap: 0
-    no-caller: 0
-    no-constant-condition: 0
-    no-empty: 0
-    no-extra-bind: 0
-    no-extra-semi: 0
-    no-loop-func: 0
-    no-multi-spaces: 0
-    no-new-object: 0
-    no-octal: 0
-    no-return-assign: 0
-    no-shadow: 0
-    no-trailing-spaces: 0
-    no-unused-vars: 0
-    no-use-before-define: 0
-    quotes: 0 # [2, "double"]
-    semi: 0
-    space-infix-ops: 0
-    space-unary-ops: 0 # 2: https://github.com/eslint/eslint/issues/2764
-    strict: 0
+    "consistent-return": "off",
+    "curly": "off",
+    "dot-notation": "off",
+    "eqeqeq": "off",
+    "key-spacing": "off",
+    "new-cap": "off",
+    "no-caller": "off",
+    "no-constant-condition": "off",
+    "no-empty": "off",
+    "no-extra-bind": "off",
+    "no-extra-semi": "off",
+    "no-loop-func": "off",
+    "no-multi-spaces": "off",
+    "no-new-object": "off",
+    "no-octal": "off",
+    "no-return-assign": "off",
+    "no-shadow": "off",
+    "no-trailing-spaces": "off",
+    "no-unused-vars": "off",
+    "no-use-before-define": "off",
+    "quotes": "off", // [2, "double"]
+    "semi": "off",
+    "space-infix-ops": "off",
+    "space-unary-ops": "off", // 2: https://github.com/eslint/eslint/issues/2764
+    "strict": "off"
+  }
 
-  #"ecmaFeatures": {
-  #  "forOf": true,
-  #  "jsx": true,
-  #},
-  #"rules": {
-  #  // turn off all kinds of stuff that we actually do want, because
-  #  // right now, we're bootstrapping the linting infrastructure.  We'll
-  #  // want to audit these rules, and start turning them on and fixing the
-  #  // problems they find, one at a time.
-
-  #  // Eslint built-in rules are documented at <http://eslint.org/docs/rules/>
-  #  "camelcase": 0,               // TODO: Remove (use default)
-  #  "consistent-return": 0,       // TODO: Remove (use default)
-  #  dot-location: 0,              // [2, property],
-  #  "eqeqeq": 0,                  // TBD. Might need to be separate for content & chrome
-  #  "global-strict": 0,           // Leave as zero (this will be unsupported in eslint 1.0.0)
-  #  "linebreak-style": [2, "unix"],
-  #  "new-cap": 0,                 // TODO: Remove (use default)
-  #  "no-catch-shadow": 0,         // TODO: Remove (use default)
-  #  "no-console": 0,              // Leave as 0. We use console logging in content code.
-  #  "no-empty": 0,                // TODO: Remove (use default)
-  #  "no-extra-bind": 0,           // Leave as 0
-  #  "no-extra-boolean-cast": 0,   // TODO: Remove (use default)
-  #  "no-multi-spaces": 0,         // TBD.
-  #  "no-new": 0,                  // TODO: Remove (use default)
-  #  "no-redeclare": 0,            // TODO: Remove (use default)
-  #  "no-return-assign": 0,        // TODO: Remove (use default)
-  #  "no-underscore-dangle": 0,    // Leave as 0. Commonly used for private variables.
-  #  "no-unneeded-ternary": 2,
-  #  "no-unused-expressions": 0,   // TODO: Remove (use default)
-  #  "no-unused-vars": 0,          // TODO: Remove (use default)
-  #  "no-use-before-define": 0,    // TODO: Remove (use default)
-  #  "quotes": [2, "double", "avoid-escape"],
-  #  "strict": 0,                  // [2, "function"],
-  #}
+  // "ecmaFeatures": {
+  //   "forOf": true,
+  //   "jsx": true,
+  // },
+  // "rules": {
+  //   // turn off all kinds of stuff that we actually do want, because
+  //   // right now, we're bootstrapping the linting infrastructure.  We'll
+  //   // want to audit these rules, and start turning them on and fixing the
+  //   // problems they find, one at a time.
+  //
+  //   // Eslint built-in rules are documented at <http://eslint.org/docs/rules/>
+  //   "camelcase": 0,               // TODO: Remove (use default)
+  //   "consistent-return": 0,       // TODO: Remove (use default)
+  //   dot-location: 0,              // [2, property],
+  //   "eqeqeq": 0,                  // TBD. Might need to be separate for content & chrome
+  //   "global-strict": 0,           // Leave as zero (this will be unsupported in eslint 1.0.0)
+  //   "linebreak-style": [2, "unix"],
+  //   "new-cap": 0,                 // TODO: Remove (use default)
+  //   "no-catch-shadow": 0,         // TODO: Remove (use default)
+  //   "no-console": 0,              // Leave as 0. We use console logging in content code.
+  //   "no-empty": 0,                // TODO: Remove (use default)
+  //   "no-extra-bind": 0,           // Leave as 0
+  //   "no-extra-boolean-cast": 0,   // TODO: Remove (use default)
+  //   "no-multi-spaces": 0,         // TBD.
+  //   "no-new": 0,                  // TODO: Remove (use default)
+  //   "no-redeclare": 0,            // TODO: Remove (use default)
+  //   "no-return-assign": 0,        // TODO: Remove (use default)
+  //   "no-underscore-dangle": 0,    // Leave as 0. Commonly used for private variables.
+  //   "no-unneeded-ternary": 2,
+  //   "no-unused-expressions": 0,   // TODO: Remove (use default)
+  //   "no-unused-vars": 0,          // TODO: Remove (use default)
+  //   "no-use-before-define": 0,    // TODO: Remove (use default)
+  //   "quotes": [2, "double", "avoid-escape"],
+  //   "strict": 0,                  // [2, "function"],
+  // }
+};

rename from mobile/android/chrome/content/.eslintrc
rename to mobile/android/chrome/content/.eslintrc.js
--- a/mobile/android/chrome/content/.eslintrc
+++ b/mobile/android/chrome/content/.eslintrc.js
@@ -1,25 +1,30 @@
-globals:
-    # TODO: Maybe this should be by file
-    BrowserApp: false
-    Cc: false
-    Ci: false
-    Cu: false
-    NativeWindow: false
-    PageActions: false
-    ReaderMode: false
-    SimpleServiceDiscovery: false
-    TabMirror: false
-    MediaPlayerApp: false
-    RokuApp: false
-    SearchEngines: false
-    ConsoleAPI: true
-    Point: false
-    Rect: false
+"use strict";
 
-rules:
-    complexity: ["error", 20]
+module.exports = {
+  "globals": {
+    // TODO: Maybe this should be by file
+    "BrowserApp": false,
+    "Cc": false,
+    "Ci": false,
+    "Cu": false,
+    "NativeWindow": false,
+    "PageActions": false,
+    "ReaderMode": false,
+    "SimpleServiceDiscovery": false,
+    "TabMirror": false,
+    "MediaPlayerApp": false,
+    "RokuApp": false,
+    "SearchEngines": false,
+    "ConsoleAPI": true,
+    "Point": false,
+    "Rect": false,
+  },
+  "rules": {
+    "complexity": ["error", 20],
 
-    # Disabled stuff
-    no-console: 0 # TODO: Can we use console?
-    no-cond-assign: 0
-    no-fallthrough: 0
+    // Disabled stuff
+    "no-console": 0, // TODO: Can we use console?
+    "no-cond-assign": 0,
+    "no-fallthrough": 0,
+  }
+};