DevTools: extract the report view to reuse in app manifest and service worker pane.

third_party/WebKit/Source/devtools/front_end/ui/Toolbar.js

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 55 matching lines @@
     makeBlueOnHover: function()
     {
         this._contentElement.classList.add("toolbar-blue-on-hover");
     },
 
     makeToggledGray: function()
     {
         this._contentElement.classList.add("toolbar-toggled-gray");
     },
 
+    renderAsLinks: function()
+    {
+        this._contentElement.classList.add("toolbar-render-as-links");
+    },
+
     /**
      * @param {boolean} enabled
      */
     setEnabled: function(enabled)
     {
         for (var item of this._items)
             item.setEnabled(enabled);
     },
 
     /**
@@ skipping 884 matching lines @@
     /**
      * @return {!Promise}
      */
     onLoad: function()
     {
         return this._promise;
     },
 
     __proto__: WebInspector.Toolbar.prototype
 }