Have a common implementation of cc::OutputSurface

cc/test/pixel_test_output_surface.h

-// Copyright 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 CC_TEST_PIXEL_TEST_GRAPHICS_CONTEXT_H_
-#define CC_TEST_PIXEL_TEST_GRAPHICS_CONTEXT_H_
-
-#include "base/memory/scoped_ptr.h"
-#include "cc/output_surface.h"
-
-namespace cc {
-
-class PixelTestOutputSurface : public OutputSurface {
- public:
-  static scoped_ptr<PixelTestOutputSurface> create() {
-    return make_scoped_ptr(new PixelTestOutputSurface);
-  }
-
-  virtual ~PixelTestOutputSurface();
-
-  // OutputSurface overrides.
-  virtual bool BindToClient(OutputSurfaceClient*) OVERRIDE;
-  virtual const struct OutputSurface::Capabilities& Capabilities() const
-      OVERRIDE;
-  virtual WebKit::WebGraphicsContext3D* Context3D() const OVERRIDE;
-  virtual SoftwareOutputDevice* SoftwareDevice() const OVERRIDE;
-  virtual void SendFrameToParentCompositor(CompositorFrame*) OVERRIDE {}
-
- private:
-  PixelTestOutputSurface();
-
-  scoped_ptr<WebKit::WebGraphicsContext3D> context_;
-};
-
-}  // namespace cc
-
-#endif  // CC_TEST_PIXEL_TEST_GRAPHICS_CONTEXT_H_