Add the UI compositor to the Mac build

content/browser/aura/software_browser_compositor_output_surface.cc

-// Copyright 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/software_browser_compositor_output_surface.h"
-
-#include "base/memory/ref_counted.h"
-#include "base/message_loop/message_loop.h"
-#include "base/time/time.h"
-#include "cc/output/compositor_frame.h"
-#include "cc/output/software_output_device.h"
-#include "content/browser/aura/browser_compositor_output_surface_proxy.h"
-#include "content/browser/renderer_host/render_widget_host_impl.h"
-#include "ui/events/latency_info.h"
-#include "ui/gfx/vsync_provider.h"
-
-namespace content {
-
-SoftwareBrowserCompositorOutputSurface::SoftwareBrowserCompositorOutputSurface(
-    scoped_refptr<BrowserCompositorOutputSurfaceProxy> surface_proxy,
-    scoped_ptr<cc::SoftwareOutputDevice> software_device,
-    int surface_id,
-    IDMap<BrowserCompositorOutputSurface>* output_surface_map,
-    base::MessageLoopProxy* compositor_message_loop,
-    base::WeakPtr<ui::Compositor> compositor)
-    : BrowserCompositorOutputSurface(software_device.Pass(),
-                                     surface_id,
-                                     output_surface_map,
-                                     compositor_message_loop,
-                                     compositor),
-      output_surface_proxy_(surface_proxy) {}
-
-SoftwareBrowserCompositorOutputSurface::
-    ~SoftwareBrowserCompositorOutputSurface() {}
-
-void SoftwareBrowserCompositorOutputSurface::SwapBuffers(
-    cc::CompositorFrame* frame) {
-  // TODO(miletus) : Convert RenderWidgetHostImpl::CompositorFrameDrawn() to
-  // take std::vector<ui::LatencyInfo> directly so we only post the task once.
-  for (size_t i = 0; i < frame->metadata.latency_info.size(); i++) {
-    frame->metadata.latency_info[i].AddLatencyNumber(
-        ui::INPUT_EVENT_LATENCY_TERMINATED_FRAME_SWAP_COMPONENT, 0, 0);
-    base::MessageLoop::current()->PostTask(
-        FROM_HERE,
-        base::Bind(
-            &RenderWidgetHostImpl::CompositorFrameDrawn,
-            frame->metadata.latency_info[i]));
-  }
-
-  gfx::VSyncProvider* vsync_provider = software_device()->GetVSyncProvider();
-  if (vsync_provider) {
-    vsync_provider->GetVSyncParameters(
-        base::Bind(&BrowserCompositorOutputSurfaceProxy::
-                        OnUpdateVSyncParametersOnCompositorThread,
-                   output_surface_proxy_,
-                   surface_id_));
-  }
-}
-
-}  // namespace content