Removed "compositor" child window that was created by the GPU process.

ui/gfx/gl/gl_context_egl.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_CONTEXT_EGL_H_
 #define UI_GFX_GL_GL_CONTEXT_EGL_H_
 #pragma once
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "ui/gfx/gl/gl_context.h"
 #include "ui/gfx/size.h"
 
 typedef void* EGLContext;
 
 namespace gfx {
 
 class GLSurfaceEGL;
 
-// Encapsulates an EGL OpenGL ES context that renders to a view.
+// Encapsulates an EGL OpenGL ES context.
 class GLContextEGL : public GLContext {
  public:
   // Takes ownership of surface. TODO(apatrick): separate notion of surface
   // from context.
   explicit GLContextEGL(GLSurfaceEGL* surface);
 
   virtual ~GLContextEGL();
 
   // Initialize an EGL context.
   bool Initialize(GLContext* shared_context);
 
   // Implement GLContext.
   virtual void Destroy();
   virtual bool MakeCurrent();
+  virtual void ReleaseCurrent();
   virtual bool IsCurrent();
   virtual bool IsOffscreen();
   virtual bool SwapBuffers();
   virtual gfx::Size GetSize();
+  virtual GLSurface* GetSurface();
   virtual void* GetHandle();
   virtual void SetSwapInterval(int interval);
   virtual std::string GetExtensions();
 
  private:
   scoped_ptr<GLSurfaceEGL> surface_;
   EGLContext context_;
 
   DISALLOW_COPY_AND_ASSIGN(GLContextEGL);
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_GL_GL_CONTEXT_EGL_H_