Make cc::animation::TrimTimeToCurrentIteration,cc::AnimationCurve::Duration use TimeTicks/TimeDelta

ui/compositor/transform_animation_curve_adapter.cc

Index: ui/compositor/transform_animation_curve_adapter.cc
diff --git a/ui/compositor/transform_animation_curve_adapter.cc b/ui/compositor/transform_animation_curve_adapter.cc
index fa73140a5ec65bd0d212308b534abb16eb6a3cb0..2c114889321967b826f8381c076fa3dc342354ad 100644
--- a/ui/compositor/transform_animation_curve_adapter.cc
+++ b/ui/compositor/transform_animation_curve_adapter.cc
@@ -22,8 +22,8 @@ TransformAnimationCurveAdapter::TransformAnimationCurveAdapter(
 TransformAnimationCurveAdapter::~TransformAnimationCurveAdapter() {
 }
 
-double TransformAnimationCurveAdapter::Duration() const {
-  return duration_.InSecondsF();
+base::TimeDelta TransformAnimationCurveAdapter::Duration() const {
+  return duration_;
 }
 
 scoped_ptr<cc::AnimationCurve> TransformAnimationCurveAdapter::Clone() const {
@@ -86,8 +86,8 @@ InverseTransformCurveAdapter::InverseTransformCurveAdapter(
 InverseTransformCurveAdapter::~InverseTransformCurveAdapter() {
 }
 
-double InverseTransformCurveAdapter::Duration() const {
-  return duration_.InSeconds();
+base::TimeDelta InverseTransformCurveAdapter::Duration() const {
+  return duration_;
 }
 
 scoped_ptr<cc::AnimationCurve> InverseTransformCurveAdapter::Clone() const {