Make UseCounters work on aliased properties

Source/core/animation/css/CSSTransitionData.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CSSTransitionData_h
 #define CSSTransitionData_h
 
 #include "core/CSSPropertyNames.h"
 #include "core/animation/css/CSSTimingData.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 
 class CSSTransitionData final : public CSSTimingData {
 public:
     enum TransitionPropertyType {
         TransitionNone,
         TransitionSingleProperty,
         TransitionUnknown,
         TransitionAll
     };
 
     // FIXME: We shouldn't allow 'none' to be used alongside other properties.
     struct TransitionProperty {
         TransitionProperty(CSSPropertyID id)
             : propertyType(TransitionSingleProperty)
-            , propertyId(id)
+            , unresolvedProperty(id)
         {
             ASSERT(id != CSSPropertyInvalid);
         }
 
         TransitionProperty(const String& string)
             : propertyType(TransitionUnknown)
-            , propertyId(CSSPropertyInvalid)
+            , unresolvedProperty(CSSPropertyInvalid)
             , propertyString(string)
         {
         }
 
         TransitionProperty(TransitionPropertyType type)
             : propertyType(type)
-            , propertyId(CSSPropertyInvalid)
+            , unresolvedProperty(CSSPropertyInvalid)
         {
             ASSERT(type == TransitionNone || type == TransitionAll);
         }
 
-        bool operator==(const TransitionProperty& other) const { return propertyType == other.propertyType && propertyId == other.propertyId && propertyString == other.propertyString; }
+        bool operator==(const TransitionProperty& other) const { return propertyType == other.propertyType && unresolvedProperty == other.unresolvedProperty && propertyString == other.propertyString; }
 
         TransitionPropertyType propertyType;
-        CSSPropertyID propertyId;
+        CSSPropertyID unresolvedProperty;
         String propertyString;
     };
 
     static PassOwnPtr<CSSTransitionData> create()
     {
         return adoptPtr(new CSSTransitionData);
     }
 
     static PassOwnPtr<CSSTransitionData> create(const CSSTransitionData& transitionData)
     {
@@ skipping 12 matching lines @@
 private:
     CSSTransitionData();
     explicit CSSTransitionData(const CSSTransitionData&);
 
     Vector<TransitionProperty> m_propertyList;
 };
 
 } // namespace blink
 
 #endif // CSSTransitionData_h