MD Settings: more useful bug filing link

chrome/browser/resources/settings/settings_ui/settings_ui.js

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @fileoverview
  * 'settings-ui' implements the UI for the Settings page.
  *
  * Example:
  *
@@ skipping 12 matching lines @@
     /** @type {?settings.DirectionDelegate} */
     directionDelegate: {
       observer: 'directionDelegateChanged_',
       type: Object,
     },
 
     appealClosed_: {
       type: Boolean,
       value: function() {
         return !!(sessionStorage.appealClosed_ || localStorage.appealClosed_);
+    },
+
+    /** @private */
+    appealBugUrl_: {
+      type: String,
+      value: function() {
+        var url =
+            'https://bugs.chromium.org/p/chromium/issues/entry?' +
+            'labels=Proj-MaterialDesign-WebUI,Pri-2,Type-Bug&' +
+            'components=UI%3ESettings&description=';
+        var description =
+            'What steps will reproduce the problem?\n' +
+            '(1) \n(2) \n(3) \n\nWhat is the expected result?\n\n\n' +
+            'What happens instead?\n\n\nPlease provide any additional ' +
+            'information below. Attach a screenshot if possible.\n\n';
+        var version = navigator.userAgent.match(/Chrom(?:e|ium)\/([\d.]+)/);
+        if (version)

[Dan Beam, 2016/07/18 04:58:13]

when do you expect this to fail?

[michaelpg, 2016/07/18 17:19:49]

There have been bugs in the past where the version # was missing. There could
also be weird forks that remove/obfuscate navigator info for "privacy". Main
point is making sure this temporary appeal can't throw an error that causes the
whole page to fail to initialize.

+          description += 'Version: ' + version[1];
+        url += encodeURIComponent(description);
+        return url;
       },
     },
   },
 
   listeners: {
     'sideNav.iron-activate': 'onIronActivate_',
   },
 
   /** @private */
   onCloseAppealTap_: function() {
@@ skipping 20 matching lines @@
       this.$$('settings-main').searchContents(e.detail);
     }.bind(this));
   },
 
   /** @private */
   directionDelegateChanged_: function() {
     this.$$('app-drawer').align = this.directionDelegate.isRtl() ?
         'right' : 'left';
   },
 });