Remove renderer-side tracking of accelerated compositing

content/renderer/render_view_impl.cc

 // Copyright (c) 2012 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.
 
 #include "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/auto_reset.h"
@@ skipping 1918 matching lines @@
   // render_thread may be NULL in tests.
   InputHandlerManager* input_handler_manager =
       render_thread ? render_thread->input_handler_manager() : NULL;
   if (input_handler_manager) {
      input_handler_manager->AddInputHandler(
         routing_id_,
         compositor_->GetInputHandler(),
         AsWeakPtr());
   }
 #endif
-
-  RenderWidget::didActivateCompositor();
 }
 
 void RenderViewImpl::didHandleGestureEvent(
     const WebGestureEvent& event,
     bool event_cancelled) {
   RenderWidget::didHandleGestureEvent(event, event_cancelled);
 
   if (event.type != blink::WebGestureEvent::GestureTap)
     return;
 
@@ skipping 2112 matching lines @@
     std::vector<gfx::Size> sizes;
     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
     if (!url.isEmpty())
       urls.push_back(
           FaviconURL(url, ToFaviconType(icon_urls[i].iconType()), sizes));
   }
   SendUpdateFaviconURL(urls);
 }
 
 }  // namespace content