cc: Throttle swaps in Scheduler instead of OutputSurface

cc/trees/layer_tree_host_unittest_delegated.cc

Index: cc/trees/layer_tree_host_unittest_delegated.cc
diff --git a/cc/trees/layer_tree_host_unittest_delegated.cc b/cc/trees/layer_tree_host_unittest_delegated.cc
index 6ba1df4c97e284fd9d0f0950c9e3cd81a3b185d4..d505164ad8b062e37714b732dcea010cdcf3a545 100644
--- a/cc/trees/layer_tree_host_unittest_delegated.cc
+++ b/cc/trees/layer_tree_host_unittest_delegated.cc
@@ -240,7 +240,6 @@ class LayerTreeHostDelegatedTest : public LayerTreeTest {
     for (size_t i = 0; i < resources_to_return.size(); ++i)
       output_surface()->ReturnResource(resources_to_return[i], &ack);
     host_impl->ReclaimResources(&ack);
-    host_impl->OnSwapBuffersComplete();
   }
 };
 
@@ -1667,7 +1666,6 @@ class LayerTreeHostDelegatedTestResourceSentToParent
     CompositorFrameAck ack;
     output_surface()->ReturnResource(map.find(999)->second, &ack);
     host_impl->ReclaimResources(&ack);
-    host_impl->OnSwapBuffersComplete();
   }
 
   virtual void UnusedResourcesAreAvailable() OVERRIDE {