Switch the about:gpu implementation from an about handler to dom_ui....

chrome/browser/resources/net_internals/main.js

 // Copyright (c) 2010 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.
 
 /**
  * Dictionary of constants (initialized by browser).
  */
 var LogEventType = null;
 var LogEventPhase = null;
 var ClientInfo = null;
@@ skipping 89 matching lines @@
 
   var serviceView;
   if (g_browser.isPlatformWindows()) {
     serviceView = new ServiceProvidersView('serviceProvidersTab',
                                            'serviceProvidersTabContent',
                                            'serviceProvidersTbody',
                                            'namespaceProvidersTbody');
   }
 
   // Create a view which lets you tab between the different sub-views.
-  var categoryTabSwitcher =
-      new TabSwitcherView(new DivView('categoryTabHandles'));
+  var categoryTabSwitcher = new TabSwitcherView('categoryTabHandles');
 
   // Populate the main tabs.
   categoryTabSwitcher.addTab('eventsTab', eventsView, false);
   categoryTabSwitcher.addTab('proxyTab', proxyView, false);
   categoryTabSwitcher.addTab('dnsTab', dnsView, false);
   categoryTabSwitcher.addTab('socketsTab', socketsView, false);
   categoryTabSwitcher.addTab('spdyTab', spdyView, false);
   categoryTabSwitcher.addTab('httpCacheTab', httpCacheView, false);
   categoryTabSwitcher.addTab('dataTab', dataView, false);
   if (g_browser.isPlatformWindows())
@@ skipping 633 matching lines @@
   return true;
 };
 
 UpdateAllObserver.prototype.onDataReceived_ = function(helper, name, data) {
   helper.removeObserver(this);
   --this.observingCount_;
   this.updatedData_[name] = data;
   if (this.observingCount_ == 0)
     this.callback_(this.updatedData_);
 };