Cleanup GpuMemoryBuffer

content/renderer/render_thread_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_thread_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <vector>
@@ skipping 1228 matching lines @@
       init_params,
       route_id,
       &result);
 
   // Allow calling this from the compositor thread.
   thread_safe_sender()->Send(message);
 
   return result;
 }
 
+void RenderThreadImpl::WaitForPendingGpuMemoryBufferUsageToComplete(
+    const base::Closure& callback) {
+  GpuChannelHost* host = GetGpuChannel();
+  if (!host) {
+    callback.Run();
+    return;
+  }
+
+  host->WaitForPendingGpuMemoryBufferUsageToComplete(callback);
+}
+
 void RenderThreadImpl::DoNotSuspendWebKitSharedTimer() {
   suspend_webkit_shared_timer_ = false;
 }
 
 void RenderThreadImpl::DoNotNotifyWebKitOfModalLoop() {
   notify_webkit_of_modal_loop_ = false;
 }
 
 bool RenderThreadImpl::OnControlMessageReceived(const IPC::Message& msg) {
   ObserverListBase<RenderProcessObserver>::Iterator it(observers_);
@@ skipping 322 matching lines @@
   hidden_widget_count_--;
 
   if (!GetContentClient()->renderer()->RunIdleHandlerWhenWidgetsHidden()) {
     return;
   }
 
   ScheduleIdleHandler(kLongIdleHandlerDelayMs);
 }
 
 }  // namespace content