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

content/common/gpu/gpu_channel_manager.h

Index: content/common/gpu/gpu_channel_manager.h
diff --git a/content/common/gpu/gpu_channel_manager.h b/content/common/gpu/gpu_channel_manager.h
index 73b4e59ea5756c608fd4440c29d619dfc828daa8..6e600cc7a8b2d839b1a545f93d38285c33afe5d9 100644
--- a/content/common/gpu/gpu_channel_manager.h
+++ b/content/common/gpu/gpu_channel_manager.h
@@ -121,9 +121,17 @@ class GpuChannelManager : public IPC::Listener,
       const GPUCreateCommandBufferConfig& init_params,
       int32 route_id);
   void CreateImage(
-      gfx::PluginWindowHandle window, int32 client_id, int32 image_id);
+      const gfx::GpuMemoryBufferHandle& handle,
+      const gfx::Size& size,
+      unsigned internalformat,
+      int32 client_id,
+      int32 image_id);
   void OnCreateImage(
-      gfx::PluginWindowHandle window, int32 client_id, int32 image_id);
+      const gfx::GpuMemoryBufferHandle& handle,
+      const gfx::Size& size,
+      unsigned internalformat,
+      int32 client_id,
+      int32 image_id);
   void DeleteImage(int32 client_id, int32 image_id);
   void OnDeleteImage(int32 client_id, int32 image_id, int32 sync_point);
   void OnDeleteImageSyncPointRetired(ImageOperation*);