compositor: Tick the UI animations from cc, instead of from timer callbacks.

ui/keyboard/keyboard_controller_unittest.cc

Index: ui/keyboard/keyboard_controller_unittest.cc
diff --git a/ui/keyboard/keyboard_controller_unittest.cc b/ui/keyboard/keyboard_controller_unittest.cc
index 3e3418e421a8c723dfe1712f09201106b97e9086..b07a939f34e76dbc5176068f624cd2f2b7beecc1 100644
--- a/ui/keyboard/keyboard_controller_unittest.cc
+++ b/ui/keyboard/keyboard_controller_unittest.cc
@@ -40,13 +40,13 @@ void RunAnimationForLayer(ui::Layer* layer) {
             ui::ScopedAnimationDurationScaleMode::ZERO_DURATION);
 
   ui::LayerAnimatorTestController controller(layer->GetAnimator());
-  gfx::AnimationContainerElement* element = layer->GetAnimator();
   // Multiple steps are required to complete complex animations.
   // TODO(vollick): This should not be necessary. crbug.com/154017
   while (controller.animator()->is_animating()) {
     controller.StartThreadedAnimationsIfNeeded();
     base::TimeTicks step_time = controller.animator()->last_step_time();
-    element->Step(step_time + base::TimeDelta::FromMilliseconds(1000));
+    layer->GetAnimator()->Step(step_time +

[ajuma, 2014/05/23 17:10:00]

controller.animator()->Step(...)
is more consistent with the previous lines.

[sadrul, 2014/05/23 18:02:42]

Done.

+                               base::TimeDelta::FromMilliseconds(1000));
   }
 }