cc: Save correct frame begin time to FrameRateCounter

cc/test/layer_tree_test_common.cc

Index: cc/test/layer_tree_test_common.cc
diff --git a/cc/test/layer_tree_test_common.cc b/cc/test/layer_tree_test_common.cc
index 4af56b692663376b5b71edb59a47e599b6dee0a5..2a7c9dfc52008ffbcd1da4744e5255b4ea7a9b51 100644
--- a/cc/test/layer_tree_test_common.cc
+++ b/cc/test/layer_tree_test_common.cc
@@ -94,7 +94,7 @@ bool MockLayerTreeHostImpl::prepareToDraw(FrameData& frame)
 
 void MockLayerTreeHostImpl::drawLayers(FrameData& frame)
 {
-    LayerTreeHostImpl::drawLayers(frame);
+    LayerTreeHostImpl::drawLayers(frame, base::TimeTicks::Now());
     m_testHooks->drawLayersOnThread(this);
 }
 
@@ -487,7 +487,7 @@ void ThreadedTest::dispatchComposite()
     }
 
     m_scheduleWhenSetVisibleTrue = false;
-    m_layerTreeHost->composite();
+    m_layerTreeHost->composite(base::TimeTicks::Now());
 }
 
 void ThreadedTest::runTest(bool threaded)