gpu: Remove Create/DeleteImage IPC by adding an X11_PIXMAP_BUFFER GpuMemoryBuffer type.

ui/gl/gl_image_glx.h

 // Copyright (c) 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 UI_GL_GL_IMAGE_GLX_H_
 #define UI_GL_GL_IMAGE_GLX_H_
 
 #include "ui/gfx/size.h"
 #include "ui/gfx/x/x11_types.h"
 #include "ui/gl/gl_export.h"
 #include "ui/gl/gl_image.h"
 
 namespace gfx {
 
 class GL_EXPORT GLImageGLX : public GLImage {
  public:
-  explicit GLImageGLX(gfx::PluginWindowHandle window);
+  GLImageGLX(const gfx::Size& size, unsigned internalformat);
 
-  virtual bool Initialize();
+  bool Initialize(XID pixmap);
 
   // Overridden from GLImage:
   virtual void Destroy() OVERRIDE;
   virtual gfx::Size GetSize() OVERRIDE;
   virtual bool BindTexImage(unsigned target) OVERRIDE;
   virtual void ReleaseTexImage(unsigned target) OVERRIDE;
   virtual void WillUseTexImage() OVERRIDE {}
   virtual void DidUseTexImage() OVERRIDE {}
   virtual void WillModifyTexImage() OVERRIDE {}
   virtual void DidModifyTexImage() OVERRIDE {}
 
  protected:
   virtual ~GLImageGLX();
 
  private:
-  XDisplay* display_;
-  gfx::PluginWindowHandle window_;
-  XID pixmap_;
   XID glx_pixmap_;
-  gfx::Size size_;
+  const gfx::Size size_;
+  unsigned internalformat_;
 
   DISALLOW_COPY_AND_ASSIGN(GLImageGLX);
 };
 
 }  // namespace gfx
 
 #endif  // UI_GL_GL_IMAGE_GLX_H_