Alternative syntax for element.animate list of keyframes

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

Index: third_party/WebKit/Source/core/animation/EffectInput.h
diff --git a/third_party/WebKit/Source/core/animation/EffectInput.h b/third_party/WebKit/Source/core/animation/EffectInput.h
index 4d80d5f0d2b83c970344b4adcc0f141368baf593..351da2c00c08a34f12913172d31da82bc1caa617 100644
--- a/third_party/WebKit/Source/core/animation/EffectInput.h
+++ b/third_party/WebKit/Source/core/animation/EffectInput.h
@@ -17,6 +17,7 @@ class EffectModelOrDictionarySequenceOrDictionary;
 class Dictionary;
 class Element;
 class ExceptionState;
+class StringKeyframe;
 
 class CORE_EXPORT EffectInput {
     STATIC_ONLY(EffectInput);
@@ -25,7 +26,18 @@ public:
     static EffectModel* convert(Element*, const EffectModelOrDictionarySequenceOrDictionary&, ExceptionState&);
 
 private:
-    static EffectModel* convert(Element*, const Vector<Dictionary>& keyframeDictionaryVector, ExceptionState&);
+    // keyframesSpecifiedAsList should be
+    // - true if the keyframeDictionaryVector was specified as a list originally (we entered this function from the DictionarySequence case of
+    //       EffectModelOrDictionarySequenceOrDictionary above)
+    // - false if we were in the single Dictionary case (handled by the function below) and needed to fall back to the sequence case instead
+    static EffectModel* convert(Element*, const Vector<Dictionary>& keyframeDictionaryVector, ExceptionState&, bool keyframesSpecifiedAsList);
+
+    static EffectModel* convert(Element*, const Dictionary& keyframeDictionary, ExceptionState&);
+
+    // Returns true if the property passed in is a compositable property.
+    static bool setKeyframeValue(Element*, StringKeyframe&, const String& property, const String& value);
+
+    static EffectModel* createEffectModelFromKeyframes(Element*, const Vector<RefPtr<StringKeyframe>>& keyframes, bool encounteredCompositableProperty, ExceptionState&);
 };
 
 } // namespace blink