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

ui/gfx/gpu_memory_buffer.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_GFX_GPU_MEMORY_BUFFER_H_
 #define UI_GFX_GPU_MEMORY_BUFFER_H_
 
 #include "base/memory/shared_memory.h"
 #include "build/build_config.h"
 #include "ui/gfx/gfx_export.h"
 
 #if defined(OS_ANDROID)
 #include <third_party/khronos/EGL/egl.h>
 #endif
 
+#if defined(USE_X11)
+#include "ui/gfx/x/x11_types.h"
+#endif
+
 namespace gfx {
 
 enum GpuMemoryBufferType {
   EMPTY_BUFFER,
   SHARED_MEMORY_BUFFER,
   IO_SURFACE_BUFFER,
   ANDROID_NATIVE_BUFFER,
   SURFACE_TEXTURE_BUFFER,
+  X11_PIXMAP_BUFFER,
   GPU_MEMORY_BUFFER_TYPE_LAST = SURFACE_TEXTURE_BUFFER
 };
 
 // TODO(alexst): Merge this with GpuMemoryBufferId as part of switchover to
 // the new API for GpuMemoryBuffer allocation when it's done.
 #if defined(OS_ANDROID)
 struct SurfaceTextureId {
   SurfaceTextureId() : primary_id(0), secondary_id(0) {}
   SurfaceTextureId(int32 primary_id, int32 secondary_id)
       : primary_id(primary_id), secondary_id(secondary_id) {}
@@ skipping 16 matching lines @@
   GpuMemoryBufferType type;
   base::SharedMemoryHandle handle;
   GpuMemoryBufferId global_id;
 #if defined(OS_MACOSX)
   uint32 io_surface_id;
 #endif
 #if defined(OS_ANDROID)
   EGLClientBuffer native_buffer;
   SurfaceTextureId surface_texture_id;
 #endif
+#if defined(USE_X11)
+  XID pixmap;
+#endif
 };
 
 // This interface typically correspond to a type of shared memory that is also
 // shared with the GPU. A GPU memory buffer can be written to directly by
 // regular CPU code, but can also be read by the GPU.
 class GFX_EXPORT GpuMemoryBuffer {
  public:
   GpuMemoryBuffer();
   virtual ~GpuMemoryBuffer();
 
@@ skipping 13 matching lines @@
   // Returns the stride in bytes for the buffer.
   virtual uint32 GetStride() const = 0;
 
   // Returns a platform specific handle for this buffer.
   virtual GpuMemoryBufferHandle GetHandle() const = 0;
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_GPU_MEMORY_BUFFER_H_