Delete GpuVideoService and move GpuVideoDecodeAccelerator ownership to stubs

content/common/gpu/gpu_command_buffer_stub.cc

Index: content/common/gpu/gpu_command_buffer_stub.cc
diff --git a/content/common/gpu/gpu_command_buffer_stub.cc b/content/common/gpu/gpu_command_buffer_stub.cc
index 0060831b811d904a93922317117547ae731d1a48..4fea458b048ad6b82c896fc14236ed16aabc33ee 100644
--- a/content/common/gpu/gpu_command_buffer_stub.cc
+++ b/content/common/gpu/gpu_command_buffer_stub.cc
@@ -93,6 +93,10 @@ bool GpuCommandBufferStub::OnMessageReceived(const IPC::Message& message) {
                                     OnDestroyTransferBuffer);
     IPC_MESSAGE_HANDLER_DELAY_REPLY(GpuCommandBufferMsg_GetTransferBuffer,
                                     OnGetTransferBuffer);
+    IPC_MESSAGE_HANDLER(GpuCommandBufferMsg_CreateVideoDecoder,
+                        OnCreateVideoDecoder)
+    IPC_MESSAGE_HANDLER(GpuCommandBufferMsg_DestroyVideoDecoder,
+                        OnDestroyVideoDecoder)
     IPC_MESSAGE_HANDLER(GpuCommandBufferMsg_ResizeOffscreenFrameBuffer,
                         OnResizeOffscreenFrameBuffer);
 #if defined(OS_MACOSX)
@@ -100,6 +104,12 @@ bool GpuCommandBufferStub::OnMessageReceived(const IPC::Message& message) {
 #endif  // defined(OS_MACOSX)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
+
+  // If this message isn't intended for the stub, try to route it to the video
+  // decoder.
+  if (!handled && video_decoder_.get())
+    handled = video_decoder_->OnMessageReceived(message);
+
   DCHECK(handled);
   return handled;
 }
@@ -573,4 +583,16 @@ void GpuCommandBufferStub::ReportState() {
   }
 }
 
+void GpuCommandBufferStub::OnCreateVideoDecoder(
+    int32 decoder_host_id, const std::vector<uint32>& configs) {
+  video_decoder_.reset(
+      new GpuVideoDecodeAccelerator(this, decoder_host_id, this));
+  video_decoder_->Initialize(configs);
+}
+
+void GpuCommandBufferStub::OnDestroyVideoDecoder() {
+  LOG(ERROR) << "GpuCommandBufferStub::OnDestroyVideoDecoder";
+  video_decoder_.reset();
+}
+
 #endif  // defined(ENABLE_GPU)