Add the UI compositor to the Mac build

content/browser/compositor/software_output_device_x11.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_OUTPUT_DEVICE_X11_H_
-#define CONTENT_BROWSER_AURA_SOFTWARE_OUTPUT_DEVICE_X11_H_
+#ifndef CONTENT_BROWSER_COMPOSITOR_SOFTWARE_OUTPUT_DEVICE_X11_H_
+#define CONTENT_BROWSER_COMPOSITOR_SOFTWARE_OUTPUT_DEVICE_X11_H_
 
 #include <X11/Xlib.h>
 
 #include "cc/output/software_output_device.h"
 #include "ui/gfx/x/x11_types.h"
 
 namespace ui {
 class Compositor;
 }
 
 namespace content {
 
 class SoftwareOutputDeviceX11 : public cc::SoftwareOutputDevice {
  public:
   explicit SoftwareOutputDeviceX11(ui::Compositor* compositor);
 
   virtual ~SoftwareOutputDeviceX11();
 
   virtual void EndPaint(cc::SoftwareFrameData* frame_data) OVERRIDE;
 
  private:
   ui::Compositor* compositor_;
   XDisplay* display_;
   GC gc_;
   XWindowAttributes attributes_;
 };
 
 }  // namespace content
 
-#endif  // CONTENT_BROWSER_AURA_SOFTWARE_OUTPUT_DEVICE_X11_H_
+#endif  // CONTENT_BROWSER_COMPOSITOR_SOFTWARE_OUTPUT_DEVICE_X11_H_