CSSPropertyID      63 Source/core/animation/AnimatableValueKeyframe.h     typedef HashMap<CSSPropertyID, RefPtrWillBeMember<AnimatableValue> > PropertyValueMap;
CSSPropertyID     108 Source/core/animation/KeyframeEffectModel.h     typedef WillBeHeapHashMap<CSSPropertyID, OwnPtrWillBeMember<PropertySpecificKeyframeGroup> > KeyframeGroupMap;
CSSPropertyID      63 Source/core/animation/StringKeyframe.h     typedef HashMap<CSSPropertyID, String> PropertyValueMap;
CSSPropertyID     113 Source/core/animation/css/CSSAnimations.h     typedef WillBeHeapHashMap<CSSPropertyID, NewTransition> NewTransitionMap;
CSSPropertyID     192 Source/core/animation/css/CSSAnimations.h     typedef WillBeHeapHashMap<CSSPropertyID, RunningTransition> TransitionMap;
CSSPropertyID      45 Source/core/css/resolver/ElementStyleResources.h typedef WillBeHeapHashMap<CSSPropertyID, RefPtrWillBeMember<CSSValue> > PendingImagePropertyMap;