Add the UI compositor to the Mac build

content/browser/aura/software_browser_compositor_output_surface.h

-// 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.
-
-#ifndef CONTENT_BROWSER_AURA_SOFTWARE_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
-#define CONTENT_BROWSER_AURA_SOFTWARE_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_
-
-#include "base/memory/weak_ptr.h"
-#include "content/browser/aura/browser_compositor_output_surface.h"
-#include "content/common/content_export.h"
-#include "ui/compositor/compositor.h"
-
-namespace base {
-class MessageLoopProxy;
-}
-
-namespace cc {
-class SoftwareOutputDevice;
-}
-
-namespace content {
-
-class BrowserCompositorOutputSurfaceProxy;
-
-class CONTENT_EXPORT SoftwareBrowserCompositorOutputSurface
-    : public BrowserCompositorOutputSurface {
- public:
-  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);
-
-  virtual ~SoftwareBrowserCompositorOutputSurface();
-
- private:
-  virtual void SwapBuffers(cc::CompositorFrame* frame) OVERRIDE;
-
-  // On the software path we need to explicitly call the proxy to update the
-  // VSync parameters.
-  scoped_refptr<BrowserCompositorOutputSurfaceProxy> output_surface_proxy_;
-
-  DISALLOW_COPY_AND_ASSIGN(SoftwareBrowserCompositorOutputSurface);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_AURA_SOFTWARE_BROWSER_COMPOSITOR_OUTPUT_SURFACE_H_