Make blink classes and structures in core/css fast-allocated

Source/core/css/resolver/CSSPropertyPriority.h

 // Copyright 2015 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 CSSPropertyPriority_h
 #define CSSPropertyPriority_h
 
 #include "core/CSSPropertyNames.h"
+#include "wtf/Allocator.h"
 
 namespace blink {
 
 // The values of high priority properties affect the values of low priority
 // properties. For example, the value of the high priority property 'font-size'
 // decides the pixel value of low priority properties with 'em' units.
 
 enum CSSPropertyPriority {
     HighPropertyPriority,
     LowPropertyPriority
 };
 
 template <CSSPropertyPriority priority>
 class CSSPropertyPriorityData {
+    STATIC_ONLY(CSSPropertyPriorityData);
 public:
     static inline CSSPropertyID first();
     static inline CSSPropertyID last();
     static inline bool propertyHasPriority(CSSPropertyID prop)
     {
         return first() <= prop && prop <= last();
     }
 };
 
 template<>
@@ skipping 20 matching lines @@
 
 template<>
 inline CSSPropertyID CSSPropertyPriorityData<LowPropertyPriority>::last()
 {
     return static_cast<CSSPropertyID>(lastCSSProperty);
 }
 
 } // namespace blink
 
 #endif // CSSPropertyPriority_h