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

content/common/gpu/client/gpu_channel_host.h

Index: content/common/gpu/client/gpu_channel_host.h
diff --git a/content/common/gpu/client/gpu_channel_host.h b/content/common/gpu/client/gpu_channel_host.h
index 4f5b74f010d3ad22d4ee963a1751d5cf4ace05b1..c2f7cdc0c5dcb34bda5226eb4c9b3f42a5a93a09 100644
--- a/content/common/gpu/client/gpu_channel_host.h
+++ b/content/common/gpu/client/gpu_channel_host.h
@@ -60,7 +60,7 @@ struct GpuListenerInfo {
 
 class CONTENT_EXPORT GpuChannelHostFactory {
  public:
-  typedef base::Callback<void(const gfx::Size)> CreateImageCallback;
+  typedef base::Callback<void(bool)> CreateImageCallback;
 
   virtual ~GpuChannelHostFactory() {}
 
@@ -73,7 +73,9 @@ class CONTENT_EXPORT GpuChannelHostFactory {
       const GPUCreateCommandBufferConfig& init_params,
       int32 route_id) = 0;
   virtual void CreateImage(
-      gfx::PluginWindowHandle window,
+      const gfx::GpuMemoryBufferHandle& handle,
+      const gfx::Size& size,
+      unsigned internalformat,
       int32 image_id,
       const CreateImageCallback& callback) = 0;
   virtual void DeleteImage(int32 image_id, int32 sync_point) = 0;