Remove ui::LayerAnimationSequence::duration and ui::LayerAnimationElement::duration.

ui/compositor/layer_animation_element.cc

Index: ui/compositor/layer_animation_element.cc
diff --git a/ui/compositor/layer_animation_element.cc b/ui/compositor/layer_animation_element.cc
index 2b41e84a912d5b84446c486f6cb8162b9cf66fab..ef18104e27ae4bc80c34a4bb04e385bbca57629f 100644
--- a/ui/compositor/layer_animation_element.cc
+++ b/ui/compositor/layer_animation_element.cc
@@ -405,15 +405,31 @@ LayerAnimationElement::LayerAnimationElement(
 LayerAnimationElement::~LayerAnimationElement() {
 }
 
-bool LayerAnimationElement::Progress(double t,
+bool LayerAnimationElement::Progress(base::TimeDelta elapsed,
                                      LayerAnimationDelegate* delegate) {
   if (first_frame_)
     OnStart(delegate);
+  double t = 1.0;
+  if ((duration_ > base::TimeDelta()) && (elapsed < duration_))
+    t = elapsed.InMillisecondsF() / duration_.InMillisecondsF();
   bool need_draw = OnProgress(Tween::CalculateValue(tween_type_, t), delegate);
   first_frame_ = t == 1.0;
   return need_draw;
 }
 
+bool LayerAnimationElement::IsFinished(base::TimeDelta elapsed,
+                                       base::TimeDelta* total_duration) {
+  if (elapsed >= duration_) {
+    *total_duration = duration_;
+    return true;
+  }
+  return false;
+}
+
+bool LayerAnimationElement::ProgressToEnd(LayerAnimationDelegate* delegate) {
+  return Progress(duration_, delegate);
+}
+
 void LayerAnimationElement::GetTargetValue(TargetValue* target) const {
   OnGetTarget(target);
 }