Fix up mac capturer to flip image.

remoting/host/capturer_mac.h

 // Copyright (c) 2010 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 REMOTING_HOST_CAPTURER_MAC_H_
 #define REMOTING_HOST_CAPTURER_MAC_H_
 
 #include "remoting/host/capturer.h"
 #include <ApplicationServices/ApplicationServices.h>
 #include <OpenGL/OpenGL.h>
@@ skipping 25 matching lines @@
                                        size_t count,
                                        const CGRect *rect_array,
                                        void *user_parameter);
   static void DisplaysReconfiguredCallback(CGDirectDisplayID display,
                                            CGDisplayChangeSummaryFlags flags,
                                            void *user_parameter);
 
   void ReleaseBuffers();
   CGLContextObj cgl_context_;
   scoped_array<uint8> buffers_[kNumBuffers];
+  scoped_array<uint8> flip_buffer_;
   DISALLOW_COPY_AND_ASSIGN(CapturerMac);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_CAPTURER_MAC_H_