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

content/renderer/render_thread_impl.cc

Index: content/renderer/render_thread_impl.cc
diff --git a/content/renderer/render_thread_impl.cc b/content/renderer/render_thread_impl.cc
index 2fcaab46b5068d4d30ae6a3080fa0b161d2ffed9..caac560d1353f8b56e93cf7c029d27c28b575f52 100644
--- a/content/renderer/render_thread_impl.cc
+++ b/content/renderer/render_thread_impl.cc
@@ -1134,7 +1134,9 @@ bool RenderThreadImpl::CreateViewCommandBuffer(
 }
 
 void RenderThreadImpl::CreateImage(
-    gfx::PluginWindowHandle window,
+    const gfx::GpuMemoryBufferHandle& handle,
+    const gfx::Size& size,
+    unsigned internalformat,
     int32 image_id,
     const CreateImageCallback& callback) {
   NOTREACHED();