Send compositor frame IPC with metadata.

content/renderer/gpu/compositor_output_surface.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/gpu/compositor_output_surface.h"
 
 #include "base/message_loop_proxy.h"
+#include "cc/compositor_frame.h"
 #include "cc/output_surface_client.h"
 #include "content/common/view_messages.h"
 #include "content/renderer/render_thread_impl.h"
 #include "ipc/ipc_forwarding_message_filter.h"
 #include "ipc/ipc_sync_channel.h"
+#include "ipc/ipc_sync_message_filter.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebGraphicsContext3D.h"
 
+using cc::CompositorFrame;
 using cc::SoftwareOutputDevice;
 using WebKit::WebGraphicsContext3D;
 
 namespace content {
 
 //------------------------------------------------------------------------------
 
 // static
 IPC::ForwardingMessageFilter* CompositorOutputSurface::CreateFilter(
     base::TaskRunner* target_task_runner)
@@ skipping 56 matching lines @@
 WebGraphicsContext3D* CompositorOutputSurface::Context3D() const {
   DCHECK(CalledOnValidThread());
   return context3D_.get();
 }
 
 cc::SoftwareOutputDevice* CompositorOutputSurface::SoftwareDevice() const {
   return software_device_.get();
 }
 
 void CompositorOutputSurface::SendFrameToParentCompositor(
-    const cc::CompositorFrame&) {
+    const cc::CompositorFrame& frame) {
   DCHECK(CalledOnValidThread());
-  NOTREACHED();
+  Send(new ViewHostMsg_SwapCompositorFrame(routing_id_, frame));
 }
 
 void CompositorOutputSurface::OnMessageReceived(const IPC::Message& message) {
   DCHECK(CalledOnValidThread());
   if (!client_)
     return;
   IPC_BEGIN_MESSAGE_MAP(CompositorOutputSurface, message)
     IPC_MESSAGE_HANDLER(ViewMsg_UpdateVSyncParameters, OnUpdateVSyncParameters);
   IPC_END_MESSAGE_MAP()
 }
 
 void CompositorOutputSurface::OnUpdateVSyncParameters(
     base::TimeTicks timebase, base::TimeDelta interval) {
   DCHECK(CalledOnValidThread());
   DCHECK(client_);
   client_->OnVSyncParametersChanged(timebase, interval);
 }
 
+bool CompositorOutputSurface::Send(IPC::Message* message) {
+  return ChildThread::current()->sync_message_filter()->Send(message);
+}
+
 }  // namespace content