CC::Animations should use TimeTicks & TimeDelta to represent time

cc/layers/layer.cc

Index: cc/layers/layer.cc
diff --git a/cc/layers/layer.cc b/cc/layers/layer.cc
index 8a2b7e408d8d8ee1503bee58831ad6c92cd4899d..a111a5518bd0d3ff35bacf6828f7c514292c88f2 100644
--- a/cc/layers/layer.cc
+++ b/cc/layers/layer.cc
@@ -1118,7 +1118,10 @@ bool Layer::AddAnimation(scoped_ptr <Animation> animation) {
 }
 
 void Layer::PauseAnimation(int animation_id, double time_offset) {
-  layer_animation_controller_->PauseAnimation(animation_id, time_offset);
+  layer_animation_controller_->PauseAnimation(
+      animation_id,
+      base::TimeTicks::FromInternalValue(time_offset *

[danakj, 2014/04/09 16:34:15]

Is converting back and forth from double to time ticks going to cause
jitter/error in the time value? Can we change the PauseAnimation method to
TimeTicks here or is that later?

[Sikugu_, 2014/04/10 14:04:57]

Keeping this as it is to avoid jitter.
Will take care of this in the Animaitons patch.

+                                         base::Time::kMicrosecondsPerSecond));
   SetNeedsCommit();
 }