Support multiple HW video decoders per context.

content/renderer/gpu/gpu_channel_host.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/gpu/gpu_channel_host.h"
 
 #include "content/common/child_process.h"
 #include "content/common/gpu/gpu_messages.h"
 #include "content/renderer/gpu/command_buffer_proxy.h"
 #include "content/renderer/gpu/gpu_surface_proxy.h"
@@ skipping 161 matching lines @@
 
   CommandBufferProxy* command_buffer = new CommandBufferProxy(this, route_id);
   router_.AddRoute(route_id, command_buffer);
   proxies_[route_id] = command_buffer;
   return command_buffer;
 #else
   return NULL;
 #endif
 }
 
+void GpuChannelHost::AddRoute(int32 route_id,
+                              IPC::Channel::Listener* listener) {
+  router_.AddRoute(route_id, listener);
+}
+
+void GpuChannelHost::RemoveRoute(int32 route_id) {
+  router_.RemoveRoute(route_id);
+}
+
 void GpuChannelHost::DestroyCommandBuffer(CommandBufferProxy* command_buffer) {
 #if defined(ENABLE_GPU)
   Send(new GpuChannelMsg_DestroyCommandBuffer(command_buffer->route_id()));
 
   // 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);
   }
@@ skipping 17 matching lines @@
 
 void GpuChannelHost::DestroySurface(GpuSurfaceProxy* surface) {
 #if defined(ENABLE_GPU)
   Send(new GpuChannelMsg_DestroySurface(surface->route_id()));
   if (router_.ResolveRoute(surface->route_id()))
     router_.RemoveRoute(surface->route_id());
 
   delete surface;
 #endif
 }