Bug 1237340: Fix browser and toolkit eslint failures. r=Felipe

.eslintignore

@@ -83,6 +83,7 @@ browser/components/tabview/**
 browser/components/translation/**
 browser/components/uitour/**
 browser/extensions/pdfjs/**
+browser/extensions/pocket/content/panels/js/vendor/**
 browser/extensions/shumway/**
 browser/fuel/**
 browser/locales/**

browser/extensions/pocket/content/main.js

@@ -197,7 +197,7 @@ var pktUI = (function() {
                 // Send error message for invalid url
                 if (!isValidURL) {
                     // TODO: Pass key for localized error in error object
-                    var error = {
+                    let error = {
                         message: 'Only links can be saved',
                         localizedKey: "onlylinkssaved"
                     };
@@ -208,7 +208,7 @@ var pktUI = (function() {
                 // Check online state
                 if (!navigator.onLine) {
                     // TODO: Pass key for localized error in error object
-                    var error = {
+                    let error = {
                         message: 'You must be connected to the Internet in order to save to Pocket. Please connect to the Internet and try again.'
                     };
                     pktUIMessaging.sendErrorMessageToPanel(panelId, saveLinkMessageId, error);

browser/extensions/pocket/content/pktApi.jsm

@@ -123,7 +123,7 @@ var pktApi = (function() {
      	// https://developer.mozilla.org/en-US/Add-ons/Overlay_Extensions/XUL_School/Local_Storage
      	
 		if (!prefBranch.prefHasUserValue(key))
-			return;
+			return undefined;
 		
 		return prefBranch.getComplexValue(key, Components.interfaces.nsISupportsString).data;
      }

testing/mochitest/browser.eslintrc

@@ -1,8 +1,6 @@
 // Parent config file for all browser-chrome files.
 {
   "rules": {
-    // Head files want to define globals so don't warn for unused globals
-    "no-unused-vars": [2, {"vars": "local", "args": "none"}],
     "mozilla/import-headjs-globals": 1,
     "mozilla/import-browserjs-globals": 1,
   },

testing/mochitest/chrome.eslintrc

@@ -1,8 +1,6 @@
 // Parent config file for all mochitest files.
 {
   rules: {
-    // Head files want to define globals so don't warn for unused globals
-    "no-unused-vars": [2, {"vars": "local", "args": "none"}],
     "mozilla/import-headjs-globals": 1,
   },
 

testing/mochitest/mochitest.eslintrc

@@ -1,8 +1,6 @@
 // Parent config file for all mochitest files.
 {
   rules: {
-    // Head files want to define globals so don't warn for unused globals
-    "no-unused-vars": [2, {"vars": "local", "args": "none"}],
     "mozilla/import-headjs-globals": 1,
   },
 

testing/xpcshell/xpcshell.eslintrc

@@ -1,8 +1,6 @@
 // Parent config file for all xpcshell files.
 {
   rules: {
-    // Head files want to define globals so don't warn for unused globals
-    "no-unused-vars": [2, {"vars": "local", "args": "none"}],
     "mozilla/import-headjs-globals": 1,
   },
 

toolkit/content/aboutProfiles.js

@@ -8,6 +8,7 @@ const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
 
 Cu.import('resource://gre/modules/Services.jsm');
 Cu.import('resource://gre/modules/XPCOMUtils.jsm');
+Cu.import('resource://gre/modules/AppConstants.jsm');
 
 XPCOMUtils.defineLazyServiceGetter(
   this,
@@ -176,15 +177,13 @@ function display(profileData) {
     if (dir) {
       td.appendChild(document.createTextNode(' '));
       let button = document.createElement('button');
-      let buttonText = document.createTextNode(bundle.GetStringFromName(
-#ifdef XP_WIN
-        'winOpenDir'
-#elif XP_MACOSX
-        'macOpenDir'
-#else
-        'openDir'
-#endif
-      ));
+      let string = 'openDir';
+      if (AppConstants.platform == "win") {
+        string = 'winOpenDir';
+      } else if (AppConstants.platform == "macosx") {
+        string = 'macOpenDir';
+      }
+      let buttonText = document.createTextNode(bundle.GetStringFromName(string));
       button.appendChild(buttonText);
       td.appendChild(button);
 

toolkit/content/jar.mn

@@ -24,7 +24,7 @@ toolkit.jar:
    content/global/aboutNetworking.js
    content/global/aboutNetworking.xhtml
 #ifndef ANDROID
-*  content/global/aboutProfiles.js
+   content/global/aboutProfiles.js
    content/global/aboutProfiles.xhtml
 #endif
    content/global/aboutServiceWorkers.js

toolkit/mozapps/extensions/test/xpcshell/test_duplicateplugins.js

@@ -28,7 +28,6 @@ var PLUGINS = [{
   get disabled() {
     return this.enabledState == Ci.nsIPluginTag.STATE_DISABLED;
   },
-  filename: "",
   filename: "/usr/lib/plugins/dupplugin1.so"
 }, {
   name: "Duplicate Plugin 2",
@@ -49,7 +48,6 @@ var PLUGINS = [{
   get disabled() {
     return this.enabledState == Ci.nsIPluginTag.STATE_DISABLED;
   },
-  filename: "",
   filename: "/usr/lib/plugins/dupplugin2.so"
 }, {
   name: "Non-duplicate Plugin", // 3
@@ -70,7 +68,6 @@ var PLUGINS = [{
   get disabled() {
     return this.enabledState == Ci.nsIPluginTag.STATE_DISABLED;
   },
-  filename: "",
   filename: "/usr/lib/plugins/dupplugin4.so"
 }, {
   name: "Another Non-duplicate Plugin", // 5