gpu: Refactor GpuMemoryBuffer framework for multi-process support.

ui/gl/gl_image_shm.h

 // Copyright 2013 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_SHM_H_
 #define UI_GL_GL_IMAGE_SHM_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "ui/gl/gl_image.h"
 
 namespace gfx {
 
 class GL_EXPORT GLImageShm : public GLImage {
  public:
-  explicit GLImageShm(gfx::Size size);
+  GLImageShm(const gfx::Size& size, unsigned internalformat);

[piman, 2013/08/13 00:38:24]

nit: I think the consensus is to pass structs with <=4 ints by value.

[reveman, 2013/08/13 01:48:26]

Latest patch pass |size| by value.

 
   bool Initialize(gfx::GpuMemoryBufferHandle buffer);
 
   // Overridden from GLImage:
   virtual void Destroy() OVERRIDE;
   virtual gfx::Size GetSize() OVERRIDE;
   virtual bool BindTexImage() OVERRIDE;
   virtual void ReleaseTexImage() OVERRIDE;
 
  protected:
   virtual ~GLImageShm();
 
  private:
   scoped_ptr<base::SharedMemory> shared_memory_;
   gfx::Size size_;
+  unsigned internalformat_;
 
   DISALLOW_COPY_AND_ASSIGN(GLImageShm);
 };
 
 }  // namespace gfx
 
 #endif  // UI_GL_GL_IMAGE_SHM_H_