Update source frame number even when commits abort

cc/trees/layer_tree_host.cc

Index: cc/trees/layer_tree_host.cc
diff --git a/cc/trees/layer_tree_host.cc b/cc/trees/layer_tree_host.cc
index 82a49b5c35a5cf8638ac6eb380b7834cafc31910..022beb834b2797fdeb94592573b6747844187d4d 100644
--- a/cc/trees/layer_tree_host.cc
+++ b/cc/trees/layer_tree_host.cc
@@ -392,8 +392,6 @@ void LayerTreeHost::FinishCommitOnImplThread(LayerTreeHostImpl* host_impl) {
   }
 
   micro_benchmark_controller_.ScheduleImplBenchmarks(host_impl);
-
-  source_frame_number_++;
 }
 
 void LayerTreeHost::WillCommit() {
@@ -414,6 +412,7 @@ void LayerTreeHost::UpdateHudLayer() {
 }
 
 void LayerTreeHost::CommitComplete() {
+  source_frame_number_++;

[enne (OOO), 2014/05/29 19:29:58]

This is in line with test assumptions, that when DidCommit happens on the main
thread, that the source frame number has already been incremented.

   client_->DidCommit();
 }