Reland r107720 - Enable the new layer animation framework.

ui/gfx/compositor/layer_animation_element.cc

Index: ui/gfx/compositor/layer_animation_element.cc
diff --git a/ui/gfx/compositor/layer_animation_element.cc b/ui/gfx/compositor/layer_animation_element.cc
index fb52bbb3c14c5829091fb7a1af0f17a8dae6e3ec..5459b1fff906159071d0471b499160d9176a92e3 100644
--- a/ui/gfx/compositor/layer_animation_element.cc
+++ b/ui/gfx/compositor/layer_animation_element.cc
@@ -26,6 +26,7 @@ class Pause : public LayerAnimationElement {
   virtual void OnStart(LayerAnimationDelegate* delegate) OVERRIDE {}
   virtual void OnProgress(double t,
                           LayerAnimationDelegate* delegate) OVERRIDE {}
+  virtual void OnSetTarget(LayerAnimationDelegate* delegate) const OVERRIDE {}
   virtual void OnAbort() OVERRIDE {}
 
   DISALLOW_COPY_AND_ASSIGN(Pause);
@@ -51,6 +52,10 @@ class TransformTransition : public LayerAnimationElement {
         Tween::ValueBetween(t, start_, target_));
   }
 
+  virtual void OnSetTarget(LayerAnimationDelegate* delegate) const OVERRIDE {
+    delegate->SetTransformFromAnimation(target_);
+  }
+
   virtual void OnAbort() OVERRIDE {}
 
  private:
@@ -86,6 +91,10 @@ class BoundsTransition : public LayerAnimationElement {
     delegate->SetBoundsFromAnimation(Tween::ValueBetween(t, start_, target_));
   }
 
+  virtual void OnSetTarget(LayerAnimationDelegate* delegate) const OVERRIDE {
+    delegate->SetBoundsFromAnimation(target_);
+  }
+
   virtual void OnAbort() OVERRIDE {}
 
  private:
@@ -119,6 +128,10 @@ class OpacityTransition : public LayerAnimationElement {
     delegate->SetOpacityFromAnimation(Tween::ValueBetween(t, start_, target_));
   }
 
+  virtual void OnSetTarget(LayerAnimationDelegate* delegate) const OVERRIDE {
+    delegate->SetOpacityFromAnimation(target_);
+  }
+
   virtual void OnAbort() OVERRIDE {}
 
  private:
@@ -155,9 +168,14 @@ void LayerAnimationElement::Progress(double t,
   if (first_frame_)
     OnStart(delegate);
   OnProgress(t, delegate);
+  delegate->ScheduleDrawForAnimation();
   first_frame_ = t == 1.0;
 }
 
+void LayerAnimationElement::SetTarget(LayerAnimationDelegate* delegate) const {
+  OnSetTarget(delegate);
+}
+
 void LayerAnimationElement::Abort() {
   first_frame_ = true;
   OnAbort();