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

content/common/gpu/gpu_memory_buffer_factory_x11_pixmap.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 CONTENT_COMMON_GPU_GPU_MEMORY_BUFFER_FACTORY_X11_PIXMAP_H_
+#define CONTENT_COMMON_GPU_GPU_MEMORY_BUFFER_FACTORY_X11_PIXMAP_H_
+
+#include "base/containers/hash_tables.h"
+#include "base/memory/ref_counted.h"
+#include "ui/gfx/geometry/size.h"
+#include "ui/gfx/gpu_memory_buffer.h"
+#include "ui/gfx/x/x11_types.h"
+
+namespace gfx {
+class GLImage;
+}
+
+namespace content {
+
+class GpuMemoryBufferFactoryX11Pixmap {
+ public:
+  GpuMemoryBufferFactoryX11Pixmap();
+  ~GpuMemoryBufferFactoryX11Pixmap();
+
+  // Create a GPU memory buffer for an existing X11 pixmap.
+  void CreateGpuMemoryBuffer(const gfx::GpuMemoryBufferId& id, XID pixmap);
+
+  // Destroy a previously created GPU memory buffer.
+  void DestroyGpuMemoryBuffer(const gfx::GpuMemoryBufferId& id);
+
+  // Creates a GLImage instance for a GPU memory buffer. Successful completion
+  // moves ownership of GPU memory buffer to GLImage instance.
+  scoped_refptr<gfx::GLImage> AcquireImageForGpuMemoryBuffer(
+      const gfx::GpuMemoryBufferId& id,
+      const gfx::Size& size,
+      unsigned internalformat);
+
+ private:
+  typedef std::pair<int, int> X11PixmapMapKey;
+  typedef base::hash_map<X11PixmapMapKey, XID> X11PixmapMap;
+  X11PixmapMap pixmaps_;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_COMMON_GPU_GPU_MEMORY_BUFFER_FACTORY_X11_PIXMAP_H_