Prepare for responsive CSS animations.

Source/core/animation/InterpolationEffect.h

Index: Source/core/animation/InterpolationEffect.h
diff --git a/Source/core/animation/InterpolationEffect.h b/Source/core/animation/InterpolationEffect.h
index f6c4f0d1b73eaac65a0ed3d76fe1ca7c13fd3bdb..d7e4abfc184abb787fd474d7867880a8475167a4 100644
--- a/Source/core/animation/InterpolationEffect.h
+++ b/Source/core/animation/InterpolationEffect.h
@@ -30,6 +30,13 @@ public:
 
     void addInterpolationsFromKeyframes(CSSPropertyID, Element*, Keyframe::PropertySpecificKeyframe& keyframeA, Keyframe::PropertySpecificKeyframe& keyframeB, double applyFrom, double applyTo);
 
+    template<class Func>

[Timothy Loh, 2015/02/11 04:09:00]

I think this reads better as (and same for KeyframeEffectModel):
template<typename T>
... (const T& callback)

[shend, 2015/02/12 01:01:42]

Done.

+    inline void forEachInterpolation(const Func& func)
+    {
+        for (auto& record : m_interpolations)
+            func(*record->m_interpolation);
+    }
+
     void trace(Visitor*);
 
 private: