[not for review] Add Draw entries to window Performance Timeline

cc/test/layer_tree_test.cc

Index: cc/test/layer_tree_test.cc
diff --git a/cc/test/layer_tree_test.cc b/cc/test/layer_tree_test.cc
index c9927be8bc71ad16ebdaa7c3c584606a4a1a4c38..400c79e7cd6f8e13847bc5b12626ee36d9ffb805 100644
--- a/cc/test/layer_tree_test.cc
+++ b/cc/test/layer_tree_test.cc
@@ -290,6 +290,13 @@ class LayerTreeHostClientForTesting : public LayerTreeHostClient,
                                      top_controls_delta);
   }
 
+  virtual void RecordCompositeTiming(
+      int64_t rect_id,
+      const std::vector<std::pair<int, base::TimeTicks> >& composites)
+      OVERRIDE {
+    test_hooks_->RecordCompositeTiming(rect_id, composites);
+  }
+
   virtual scoped_ptr<OutputSurface> CreateOutputSurface(bool fallback)
       OVERRIDE {
     return test_hooks_->CreateOutputSurface(fallback);