Move ScopedPixelBuffer out of VideoFrameCapturer implementation for Mac.

remoting/host/mac/scoped_pixel_buffer_object.h

+// Copyright (c) 2012 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_SCOPED_PIXEL_BUFFER_OBJECT_H_
+#define REMOTING_HOST_SCOPED_PIXEL_BUFFER_OBJECT_H_
+
+#include <OpenGL/CGLMacro.h>
+#include <OpenGL/OpenGL.h>
+#include "base/basictypes.h"
+
+namespace remoting {
+
+class ScopedPixelBufferObject {
+ public:
+  ScopedPixelBufferObject();
+  ~ScopedPixelBufferObject();
+
+  bool Init(CGLContextObj cgl_context, int size_in_bytes);
+  void Release();
+
+  GLuint get() const { return pixel_buffer_object_; }
+
+ private:
+  CGLContextObj cgl_context_;
+  GLuint pixel_buffer_object_;
+
+  DISALLOW_COPY_AND_ASSIGN(ScopedPixelBufferObject);
+};
+
+} // namespace remoting
+
+#endif // REMOTING_HOST_SCOPED_PIXEL_BUFFER_OBJECT_H_