WIP: Implement CSS transitions on top of InterpolationTypes instead of AnimatableValues

third_party/WebKit/Source/core/animation/TypedInterpolationValue.h

Index: third_party/WebKit/Source/core/animation/TypedInterpolationValue.h
diff --git a/third_party/WebKit/Source/core/animation/TypedInterpolationValue.h b/third_party/WebKit/Source/core/animation/TypedInterpolationValue.h
index 28dd675a51b67265dcefc12360f117e1be3f188f..193d028c3c46ad5cbbf8624095e445882ede82c5 100644
--- a/third_party/WebKit/Source/core/animation/TypedInterpolationValue.h
+++ b/third_party/WebKit/Source/core/animation/TypedInterpolationValue.h
@@ -16,15 +16,14 @@ class InterpolationType;
 // Represents an interpolated value between an adjacent pair of PropertySpecificKeyframes.
 class TypedInterpolationValue {
 public:
-    static std::unique_ptr<TypedInterpolationValue> create(const InterpolationType& type, std::unique_ptr<InterpolableValue> interpolableValue, PassRefPtr<NonInterpolableValue> nonInterpolableValue = nullptr)
+    static std::unique_ptr<TypedInterpolationValue> create(const InterpolationType& type, InterpolationValue&& value)
     {
-        return wrapUnique(new TypedInterpolationValue(type, std::move(interpolableValue), nonInterpolableValue));
+        return wrapUnique(new TypedInterpolationValue(type, std::move(value)));
     }
 
     std::unique_ptr<TypedInterpolationValue> clone() const
     {
-        InterpolationValue copy = m_value.clone();
-        return create(m_type, std::move(copy.interpolableValue), copy.nonInterpolableValue.release());
+        return create(m_type, m_value.clone());
     }
 
     const InterpolationType& type() const { return m_type; }
@@ -35,11 +34,11 @@ public:
     InterpolationValue& mutableValue() { return m_value; }
 
 private:
-    TypedInterpolationValue(const InterpolationType& type, std::unique_ptr<InterpolableValue> interpolableValue, PassRefPtr<NonInterpolableValue> nonInterpolableValue)
+    TypedInterpolationValue(const InterpolationType& type, InterpolationValue&& value)
         : m_type(type)
-        , m_value(std::move(interpolableValue), nonInterpolableValue)
+        , m_value(std::move(value))
     {
-        ASSERT(m_value.interpolableValue);
+        DCHECK(m_value.interpolableValue);
     }
 
     const InterpolationType& m_type;