Make IPC::Channel::Listener:OnMessageReceived have a return value indicating ...

chrome/renderer/gpu_channel_host.cc

 // 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.
 
 #include "chrome/renderer/gpu_channel_host.h"
 
 #include "chrome/common/child_process.h"
 #include "chrome/common/gpu_create_command_buffer_config.h"
 #include "chrome/common/gpu_messages.h"
 #include "chrome/renderer/command_buffer_proxy.h"
@@ skipping 19 matching lines @@
 }
 
 void GpuChannelHost::set_gpu_info(const GPUInfo& gpu_info) {
   gpu_info_ = gpu_info;
 }
 
 const GPUInfo& GpuChannelHost::gpu_info() const {
   return gpu_info_;
 }
 
-void GpuChannelHost::OnMessageReceived(const IPC::Message& message) {
+bool GpuChannelHost::OnMessageReceived(const IPC::Message& message) {
   DCHECK(message.routing_id() != MSG_ROUTING_CONTROL);
 
   // The object to which the message is addressed might have been destroyed.
   // This is expected, for example an asynchronous SwapBuffers notification
   // to a command buffer proxy that has since been destroyed. This function
   // fails silently in that case.
-  router_.RouteMessage(message);
+  return router_.RouteMessage(message);
 }
 
 void GpuChannelHost::OnChannelConnected(int32 peer_pid) {
   // When the channel is connected we create a GpuVideoServiceHost and add it
   // as a message filter.
   gpu_video_service_host_ = new GpuVideoServiceHost();
   channel_->AddFilter(gpu_video_service_host_.get());
 }
 
 void GpuChannelHost::OnChannelError() {
@@ skipping 99 matching lines @@
   // Check the proxy has not already been removed after a channel error.
   int route_id = command_buffer->route_id();
   if (proxies_.find(command_buffer->route_id()) != proxies_.end()) {
     proxies_.erase(route_id);
     router_.RemoveRoute(route_id);
   }
 
   delete command_buffer;
 #endif
 }