CC: Add curve (whole animation) timing function to compositor animations.

cc/animation/keyframed_animation_curve.h

Index: cc/animation/keyframed_animation_curve.h
diff --git a/cc/animation/keyframed_animation_curve.h b/cc/animation/keyframed_animation_curve.h
index ded48c6721ff28e76886295c00b4163421994559..2fb1888ef6e2c06d5f7b19e400aca11ae22ab951 100644
--- a/cc/animation/keyframed_animation_curve.h
+++ b/cc/animation/keyframed_animation_curve.h
@@ -121,6 +121,9 @@ class CC_EXPORT KeyframedColorAnimationCurve : public ColorAnimationCurve {
   virtual ~KeyframedColorAnimationCurve();
 
   void AddKeyframe(scoped_ptr<ColorKeyframe> keyframe);
+  void SetTimingFunction(scoped_ptr<TimingFunction> timing_function) {
+    timing_function_ = timing_function.Pass();
+  }
 
   // AnimationCurve implementation
   virtual double Duration() const OVERRIDE;
@@ -135,6 +138,7 @@ class CC_EXPORT KeyframedColorAnimationCurve : public ColorAnimationCurve {
   // Always sorted in order of increasing time. No two keyframes have the
   // same time.
   ScopedPtrVector<ColorKeyframe> keyframes_;
+  scoped_ptr<TimingFunction> timing_function_;
 
   DISALLOW_COPY_AND_ASSIGN(KeyframedColorAnimationCurve);
 };
@@ -147,6 +151,9 @@ class CC_EXPORT KeyframedFloatAnimationCurve : public FloatAnimationCurve {
   virtual ~KeyframedFloatAnimationCurve();
 
   void AddKeyframe(scoped_ptr<FloatKeyframe> keyframe);
+  void SetTimingFunction(scoped_ptr<TimingFunction> timing_function) {
+    timing_function_ = timing_function.Pass();
+  }
 
   // AnimationCurve implementation
   virtual double Duration() const OVERRIDE;
@@ -161,6 +168,7 @@ class CC_EXPORT KeyframedFloatAnimationCurve : public FloatAnimationCurve {
   // Always sorted in order of increasing time. No two keyframes have the
   // same time.
   ScopedPtrVector<FloatKeyframe> keyframes_;
+  scoped_ptr<TimingFunction> timing_function_;
 
   DISALLOW_COPY_AND_ASSIGN(KeyframedFloatAnimationCurve);
 };
@@ -174,6 +182,9 @@ class CC_EXPORT KeyframedTransformAnimationCurve
   virtual ~KeyframedTransformAnimationCurve();
 
   void AddKeyframe(scoped_ptr<TransformKeyframe> keyframe);
+  void SetTimingFunction(scoped_ptr<TimingFunction> timing_function) {
+    timing_function_ = timing_function.Pass();
+  }
 
   // AnimationCurve implementation
   virtual double Duration() const OVERRIDE;
@@ -193,6 +204,7 @@ class CC_EXPORT KeyframedTransformAnimationCurve
   // Always sorted in order of increasing time. No two keyframes have the
   // same time.
   ScopedPtrVector<TransformKeyframe> keyframes_;
+  scoped_ptr<TimingFunction> timing_function_;
 
   DISALLOW_COPY_AND_ASSIGN(KeyframedTransformAnimationCurve);
 };
@@ -206,6 +218,9 @@ class CC_EXPORT KeyframedFilterAnimationCurve
   virtual ~KeyframedFilterAnimationCurve();
 
   void AddKeyframe(scoped_ptr<FilterKeyframe> keyframe);
+  void SetTimingFunction(scoped_ptr<TimingFunction> timing_function) {
+    timing_function_ = timing_function.Pass();
+  }
 
   // AnimationCurve implementation
   virtual double Duration() const OVERRIDE;
@@ -221,6 +236,7 @@ class CC_EXPORT KeyframedFilterAnimationCurve
   // Always sorted in order of increasing time. No two keyframes have the
   // same time.
   ScopedPtrVector<FilterKeyframe> keyframes_;
+  scoped_ptr<TimingFunction> timing_function_;
 
   DISALLOW_COPY_AND_ASSIGN(KeyframedFilterAnimationCurve);
 };