Create new GLSurface for cross process image transport.

ui/gfx/gl/gl_surface.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_GL_GL_SURFACE_H_
 #define UI_GFX_GL_GL_SURFACE_H_
 #pragma once
 
 #include "base/memory/ref_counted.h"
 #include "build/build_config.h"
@@ skipping 29 matching lines @@
 
   // Get the underlying platform specific surface "handle".
   virtual void* GetHandle() = 0;
 
   // Returns the internal frame buffer object name if the surface is backed by
   // FBO. Otherwise returns 0.
   virtual unsigned int GetBackingFrameBufferObject();
 
   static bool InitializeOneOff();
 
+  // Called after a context is made current with this surface.
+  virtual void OnMakeCurrent();
+
 #if !defined(OS_MACOSX)
   // Create a GL surface that renders directly to a view.
   static scoped_refptr<GLSurface> CreateViewGLSurface(
       bool software,
       gfx::PluginWindowHandle window);
 #endif
 
   // Create a GL surface used for offscreen rendering.
   static scoped_refptr<GLSurface> CreateOffscreenGLSurface(
       bool software,
       const gfx::Size& size);
 
  protected:
   virtual ~GLSurface();
 
  private:
   friend class base::RefCounted<GLSurface>;
   DISALLOW_COPY_AND_ASSIGN(GLSurface);
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_GL_GL_SURFACE_H_