Allow requesting a copy of a surface.

cc/surfaces/surface_factory.h

Index: cc/surfaces/surface_factory.h
diff --git a/cc/surfaces/surface_factory.h b/cc/surfaces/surface_factory.h
index fafa53c540f47073c59189d1a25e062d3dfa3329..0a2ece7aeed11047d2c8ec1bd42c599322e3811d 100644
--- a/cc/surfaces/surface_factory.h
+++ b/cc/surfaces/surface_factory.h
@@ -19,6 +19,7 @@ class Size;
 
 namespace cc {
 class CompositorFrame;
+class CopyOutputRequest;
 class Surface;
 class SurfaceFactoryClient;
 class SurfaceManager;
@@ -42,6 +43,8 @@ class CC_SURFACES_EXPORT SurfaceFactory
   void SubmitFrame(SurfaceId surface_id,
                    scoped_ptr<CompositorFrame> frame,
                    const base::Closure& callback);
+  void RequestCopyOfSurface(SurfaceId surface_id,
+                            scoped_ptr<CopyOutputRequest> copy_request);
 
   SurfaceFactoryClient* client() { return client_; }