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

ui/gl/gl_image_shared_memory.h

+// Copyright 2014 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_SHARED_MEMORY_H_
+#define UI_GL_GL_IMAGE_SHARED_MEMORY_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "ui/gl/gl_image_memory.h"
+
+namespace gfx {
+
+class GL_EXPORT GLImageSharedMemory : public GLImageMemory {
+ public:
+  GLImageSharedMemory(const gfx::Size& size, unsigned internalformat);
+
+  bool Initialize(gfx::GpuMemoryBufferHandle buffer);
+
+  // Overridden from GLImage:
+  virtual void Destroy() OVERRIDE;
+
+ protected:
+  virtual ~GLImageSharedMemory();
+
+ private:
+  scoped_ptr<base::SharedMemory> shared_memory_;
+
+  DISALLOW_COPY_AND_ASSIGN(GLImageSharedMemory);
+};
+
+}  // namespace gfx
+
+#endif  // UI_GL_GL_IMAGE_SHARED_MEMORY_H_