Implemented browser side software compositing.

content/browser/renderer_host/software_output_device_win.h

Index: content/browser/renderer_host/software_output_device_win.h
diff --git a/content/browser/renderer_host/software_output_device_win.h b/content/browser/renderer_host/software_output_device_win.h
new file mode 100644
index 0000000000000000000000000000000000000000..ab8f6bfed009e8d6568531322d455ff5a748d8bf
--- /dev/null
+++ b/content/browser/renderer_host/software_output_device_win.h
@@ -0,0 +1,36 @@
+// Copyright (c) 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_RENDERER_HOST_SOFTWARE_OUTPUT_DEVICE_WIN_H_
+#define CONTENT_BROWSER_RENDERER_HOST_SOFTWARE_OUTPUT_DEVICE_WIN_H_
+
+#include "cc/software_output_device.h"
+
+#include <windows.h>
+
+namespace ui {
+class Compositor;
+}
+
+namespace content {
+
+class SoftwareOutputDeviceWin : public cc::SoftwareOutputDevice {
+ public:
+  explicit SoftwareOutputDeviceWin(ui::Compositor* compositor);
+
+  virtual ~SoftwareOutputDeviceWin();
+
+  virtual void Resize(const gfx::Size& viewport_size) OVERRIDE;
+
+  virtual void EndPaint(cc::SoftwareFrameData* frame_data) OVERRIDE;
+
+ private:
+  ui::Compositor* compositor_;
+  HDC hdc_;
+  BITMAPINFO bitmap_info_;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_RENDERER_HOST_SOFTWARE_OUTPUT_DEVICE_WIN_H_