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 7cf8e6925853dad53aff840640a9a6785a4026ce..ab5e4c20c8a3c0cc410cd5f8e278d17e4f647b4f 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();
   }
 };
 
@@ -1648,7 +1647,6 @@ class LayerTreeHostDelegatedTestResourceSentToParent
     CompositorFrameAck ack;
     output_surface()->ReturnResource(map.find(999)->second, &ack);
     host_impl->ReclaimResources(&ack);
-    host_impl->OnSwapBuffersComplete();
   }
 
   virtual void UnusedResourcesAreAvailable() OVERRIDE {