Implement proper synchronization between HW video decode IPC and CommandBuffer.

content/renderer/pepper_plugin_delegate_impl.cc

 // Copyright (c) 2011 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/pepper_plugin_delegate_impl.h"
 
 #include <cmath>
 #include <queue>
 
 #include "base/callback.h"
@@ skipping 811 matching lines @@
 
   return new PlatformContext3DImpl(parent_context);
 #else
   return NULL;
 #endif
 }
 
 webkit::ppapi::PluginDelegate::PlatformVideoDecoder*
 PepperPluginDelegateImpl::CreateVideoDecoder(
     media::VideoDecodeAccelerator::Client* client,
-    int command_buffer_route_id) {
-  return new PlatformVideoDecoderImpl(client, command_buffer_route_id);
+    int32 command_buffer_route_id,
+    gpu::CommandBufferHelper* cmd_buffer_helper) {
+  return new PlatformVideoDecoderImpl(
+      client, command_buffer_route_id, cmd_buffer_helper);
 }
 
 void PepperPluginDelegateImpl::NumberOfFindResultsChanged(int identifier,
                                                           int total,
                                                           bool final_result) {
   render_view_->reportFindInPageMatchCount(identifier, total, final_result);
 }
 
 void PepperPluginDelegateImpl::SelectedFindResultChanged(int identifier,
                                                          int index) {
@@ skipping 484 matching lines @@
   if (!base::SharedMemory::IsHandleValid(handle)) {
     DLOG(WARNING) << "Browser failed to allocate shared memory";
     return NULL;
   }
   return new base::SharedMemory(handle, false);
 }
 
 ppapi::Preferences PepperPluginDelegateImpl::GetPreferences() {
   return ppapi::Preferences(render_view_->webkit_preferences());
 }