[Master/Overview CL] Make PageScaleFactor work for oopif subframe.

cc/input/browser_controls_offset_manager_unittest.cc

Index: cc/input/browser_controls_offset_manager_unittest.cc
diff --git a/cc/input/browser_controls_offset_manager_unittest.cc b/cc/input/browser_controls_offset_manager_unittest.cc
index 84b37cd8aea3b8411dc244a36eb4d2da99c462b3..f4bc3fef8dfc6b61ce6bc81ef4d230f858214c79 100644
--- a/cc/input/browser_controls_offset_manager_unittest.cc
+++ b/cc/input/browser_controls_offset_manager_unittest.cc
@@ -38,7 +38,8 @@ class MockBrowserControlsOffsetManagerClient
         browser_controls_show_threshold_(browser_controls_show_threshold),
         browser_controls_hide_threshold_(browser_controls_hide_threshold) {
     active_tree_ = base::MakeUnique<LayerTreeImpl>(
-        &host_impl_, new SyncedProperty<ScaleGroup>, new SyncedBrowserControls,
+        &host_impl_, new SyncedProperty<ScaleGroup>,
+        new SyncedProperty<ScaleGroup>, new SyncedBrowserControls,
         new SyncedElasticOverscroll);
     root_scroll_layer_ = LayerImpl::Create(active_tree_.get(), 1);
   }