Add IPC allowing GPU process to tell browser process to temporarily drop a front buffer.

content/browser/renderer_host/test_render_view_host.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/browser/browser_url_handler.h"
 #include "content/browser/renderer_host/test_backing_store.h"
 #include "content/browser/renderer_host/test_render_view_host.h"
 #include "content/browser/site_instance_impl.h"
 #include "content/browser/tab_contents/navigation_controller_impl.h"
@@ skipping 204 matching lines @@
 void TestRenderWidgetHostView::AcceleratedSurfaceBuffersSwapped(
     const GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params& params,
     int gpu_host_id) {
 }
 
 void TestRenderWidgetHostView::AcceleratedSurfacePostSubBuffer(
     const GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params& params,
     int gpu_host_id) {
 }
 
+void TestRenderWidgetHostView::AcceleratedSurfaceSuspend() {
+}
+
 #if defined(OS_MACOSX)
 
 gfx::Rect TestRenderWidgetHostView::GetViewCocoaBounds() const {
   return gfx::Rect();
 }
 
 void TestRenderWidgetHostView::SetActive(bool active) {
   // <viettrungluu@gmail.com>: Do I need to do anything here?
 }
 
@@ skipping 161 matching lines @@
   SetContents(NULL);
 
   // Make sure that we flush any messages related to TabContents destruction
   // before we destroy the browser context.
   MessageLoop::current()->RunAllPending();
 
   // Release the browser context on the UI thread.
   message_loop_.DeleteSoon(FROM_HERE, browser_context_.release());
   message_loop_.RunAllPending();
 }