Revert 206020 "cc: Emulate BeginFrame in OutputSurfaces that don..."

trunk/src/cc/test/layer_tree_test.cc

Index: trunk/src/cc/test/layer_tree_test.cc
===================================================================
--- trunk/src/cc/test/layer_tree_test.cc	(revision 206654)
+++ trunk/src/cc/test/layer_tree_test.cc	(working copy)
@@ -589,13 +589,9 @@
 }
 
 scoped_ptr<OutputSurface> LayerTreeTest::CreateOutputSurface() {
-  scoped_ptr<FakeOutputSurface> output_surface;
   if (delegating_renderer_)
-    output_surface = FakeOutputSurface::CreateDelegating3d();
-  else
-    output_surface = FakeOutputSurface::Create3d();
-  output_surface_ = output_surface.get();
-  return output_surface.PassAs<OutputSurface>();
+    return FakeOutputSurface::CreateDelegating3d().PassAs<OutputSurface>();
+  return FakeOutputSurface::Create3d().PassAs<OutputSurface>();
 }
 
 scoped_refptr<cc::ContextProvider> LayerTreeTest::