Use shared D3D9 texture to transport the compositor's backing buffer to the browser...

ui/gfx/compositor/compositor_gl.h

 // Copyright (c) 2011 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 UI_GFX_COMPOSITOR_COMPOSITOR_GL_H_
 #define UI_GFX_COMPOSITOR_COMPOSITOR_GL_H_
 #pragma once
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 17 matching lines @@
 // GLContext sharing so that we only have to create/destroy them once.
 class COMPOSITOR_EXPORT SharedResources {
  public:
   static SharedResources* GetInstance();
 
   bool MakeSharedContextCurrent();
 
   // Creates a context that shares the resources hosted by this singleton.
   scoped_refptr<gfx::GLContext> CreateContext(gfx::GLSurface* surface);
 
+  void* GetDisplay();
+
   ui::TextureProgramGL* program_no_swizzle() {
     return program_no_swizzle_.get();
   }
 
   ui::TextureProgramGL* program_swizzle() {
     return program_swizzle_.get();
   }
 
  private:
   friend struct DefaultSingletonTraits<SharedResources>;
@@ skipping 69 matching lines @@
 
   // Keep track of whether compositing has started or not.
   bool started_;
 
   DISALLOW_COPY_AND_ASSIGN(CompositorGL);
 };
 
 }  // namespace ui
 
 #endif  // UI_GFX_COMPOSITOR_COMPOSITOR_GL_H_