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

chrome/browser/resources/net_internals/detailsview.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.
 
 /**
  * The DetailsView handles the tabbed view that displays either the "log" or
  * "timeline" view. This class keeps track of what the current view is, and
  * invalidates the specific view each time the selected data has changed.
  *
  * @constructor
  */
 function DetailsView(tabHandlesContainerId,
                      logTabId,
                      timelineTabId,
                      logBoxId,
                      timelineBoxId) {
-  TabSwitcherView.call(this, new DivView(tabHandlesContainerId));
+  TabSwitcherView.call(this, tabHandlesContainerId);
 
   this.logView_ = new DetailsLogView(logBoxId);
   this.timelineView_ = new DetailsTimelineView(timelineBoxId);
 
   this.addTab(logTabId, this.logView_, true);
   this.addTab(timelineTabId, this.timelineView_, true);
 
   // Default to the log view.
   this.switchToTab(logTabId, null);
 };
@@ skipping 89 matching lines @@
 function DetailsTimelineView(boxId) {
   DetailsSubView.call(this, boxId);
 }
 
 inherits(DetailsTimelineView, DetailsSubView);
 
 DetailsTimelineView.prototype.repaint = function() {
   DetailsTimelineView.superClass_.repaint.call(this);
   PaintTimelineView(this.sourceEntries_, this.getNode());
 };