Aura: Don't create GL context for CreateSharedSurfaceHandle()

content/browser/renderer_host/gpu_message_filter.h

Index: content/browser/renderer_host/gpu_message_filter.h
diff --git a/content/browser/renderer_host/gpu_message_filter.h b/content/browser/renderer_host/gpu_message_filter.h
index 5492ad989a0be534cf4b052cecd3d84b4174ad74..3caaee8d0a596a438ee40a1610e3918679d5cc5c 100644
--- a/content/browser/renderer_host/gpu_message_filter.h
+++ b/content/browser/renderer_host/gpu_message_filter.h
@@ -39,9 +39,10 @@ class GpuMessageFilter : public BrowserMessageFilter {
   virtual bool OnMessageReceived(const IPC::Message& message,
                                  bool* message_was_ok) OVERRIDE;
 
-  // Signals that the handle for a surface id was updated, and it may be time to
-  // unblock existing CreateViewCommandBuffer requests using that surface.
-  void SurfaceUpdated(int32 surface_id);
+  // Signals that the parent (i.e. browser compositor) has established its
+  // client channel at startup or after a crash. This will unblock existing
+  // CreateViewCommandBuffer requests.
+  void OnParentChannelEstablished();
 
   // This set of API is used to subscribe to frame presentation events.
   // See RenderWidgetHostViewFrameSubscriber for more details.