Add the UI compositor to the Mac build

content/browser/aura/browser_compositor_output_surface_proxy.cc

Index: content/browser/aura/browser_compositor_output_surface_proxy.cc
diff --git a/content/browser/aura/browser_compositor_output_surface_proxy.cc b/content/browser/aura/browser_compositor_output_surface_proxy.cc
deleted file mode 100644
index e86e5b8c69c458af32b60bef84c669851096d564..0000000000000000000000000000000000000000
--- a/content/browser/aura/browser_compositor_output_surface_proxy.cc
+++ /dev/null
@@ -1,58 +0,0 @@
-// Copyright (c) 2013 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/browser/aura/browser_compositor_output_surface_proxy.h"
-
-#include "base/bind.h"
-#include "content/browser/aura/browser_compositor_output_surface.h"
-#include "content/browser/gpu/browser_gpu_channel_host_factory.h"
-#include "content/common/gpu/gpu_messages.h"
-
-namespace content {
-
-BrowserCompositorOutputSurfaceProxy::BrowserCompositorOutputSurfaceProxy(
-    IDMap<BrowserCompositorOutputSurface>* surface_map)
-    : surface_map_(surface_map),
-      connected_to_gpu_process_host_id_(0) {}
-
-BrowserCompositorOutputSurfaceProxy::~BrowserCompositorOutputSurfaceProxy() {}
-
-void BrowserCompositorOutputSurfaceProxy::ConnectToGpuProcessHost(
-    base::SingleThreadTaskRunner* compositor_thread_task_runner) {
-  BrowserGpuChannelHostFactory* factory =
-      BrowserGpuChannelHostFactory::instance();
-
-  int gpu_process_host_id = factory->GpuProcessHostId();
-  if (connected_to_gpu_process_host_id_ == gpu_process_host_id)
-    return;
-
-  const uint32 kMessagesToFilter[] = { GpuHostMsg_UpdateVSyncParameters::ID };
-  factory->SetHandlerForControlMessages(
-      kMessagesToFilter,
-      arraysize(kMessagesToFilter),
-      base::Bind(&BrowserCompositorOutputSurfaceProxy::
-                     OnMessageReceivedOnCompositorThread,
-                 this),
-      compositor_thread_task_runner);
-  connected_to_gpu_process_host_id_ = gpu_process_host_id;
-}
-
-void BrowserCompositorOutputSurfaceProxy::OnMessageReceivedOnCompositorThread(
-    const IPC::Message& message) {
-  IPC_BEGIN_MESSAGE_MAP(BrowserCompositorOutputSurfaceProxy, message)
-      IPC_MESSAGE_HANDLER(GpuHostMsg_UpdateVSyncParameters,
-                          OnUpdateVSyncParametersOnCompositorThread);
-  IPC_END_MESSAGE_MAP()
-}
-
-void
-BrowserCompositorOutputSurfaceProxy::OnUpdateVSyncParametersOnCompositorThread(
-    int surface_id,
-    base::TimeTicks timebase,
-    base::TimeDelta interval) {
-  BrowserCompositorOutputSurface* surface = surface_map_->Lookup(surface_id);
-  if (surface)
-    surface->OnUpdateVSyncParameters(timebase, interval);
-}
-}  // namespace content