Move VISUAL_STATE promise to activation

cc/trees/layer_tree_host_impl.cc

Index: cc/trees/layer_tree_host_impl.cc
diff --git a/cc/trees/layer_tree_host_impl.cc b/cc/trees/layer_tree_host_impl.cc
index 1c602b9b944708a3d63a9f83262bc2814f1f16b0..e85648b2e19c5028bcff3e0712e8b38e46c2bf45 100644
--- a/cc/trees/layer_tree_host_impl.cc
+++ b/cc/trees/layer_tree_host_impl.cc
@@ -1645,7 +1645,7 @@ LayerTreeHostImpl::GetRendererCapabilities() const {
 bool LayerTreeHostImpl::SwapBuffers(const LayerTreeHostImpl::FrameData& frame) {
   ResetRequiresHighResToDraw();
   if (frame.has_no_damage) {
-    active_tree()->BreakSwapPromises(SwapPromise::SWAP_FAILS);
+    active_tree()->BreakSwapPromises(Promise::DidNotSwap::SWAP_FAILS);
     return false;
   }
   CompositorFrameMetadata metadata = MakeCompositorFrameMetadata();
@@ -1862,6 +1862,9 @@ void LayerTreeHostImpl::ActivateSyncTree() {
   if (!tree_activation_callback_.is_null())
     tree_activation_callback_.Run();
 
+  CompositorFrameMetadata metadata = MakeCompositorFrameMetadata();

[boliu, 2015/05/08 04:27:23]

There's no frame for activation. DidActivate should not need frame metadata.

+  active_tree_->FinishActivationPromises(&metadata);
+
   if (debug_state_.continuous_painting) {
     const RenderingStats& stats =
         rendering_stats_instrumentation_->GetRenderingStats();