Enable sync allocation of GpuMemoryBuffers from the browser process.

content/browser/gpu/browser_gpu_channel_host_factory.h

Index: content/browser/gpu/browser_gpu_channel_host_factory.h
diff --git a/content/browser/gpu/browser_gpu_channel_host_factory.h b/content/browser/gpu/browser_gpu_channel_host_factory.h
index 30c2939a669ce899469530f405092296ec688951..ed6174aeae2c7211b97a43c93d53410faeb5fa9f 100644
--- a/content/browser/gpu/browser_gpu_channel_host_factory.h
+++ b/content/browser/gpu/browser_gpu_channel_host_factory.h
@@ -14,6 +14,7 @@
 #include "ipc/message_filter.h"
 
 namespace content {
+class GpuMemoryBufferImpl;
 
 class CONTENT_EXPORT BrowserGpuChannelHostFactory
     : public GpuChannelHostFactory,
@@ -91,6 +92,9 @@ class CONTENT_EXPORT BrowserGpuChannelHostFactory
       AllocateGpuMemoryBufferRequest* request);
   static void DeleteGpuMemoryBufferOnIO(
       scoped_ptr<gfx::GpuMemoryBuffer> buffer);
+  static void GpuMemoryBufferImplCreatedOnIO(
+      AllocateGpuMemoryBufferRequest* request,
+      scoped_ptr<GpuMemoryBufferImpl> buffer);
   void OnGpuMemoryBufferCreated(uint32 request_id,
                                 const gfx::GpuMemoryBufferHandle& handle);