CSSValue Immediates: Change CSSValue to an object instead of a pointer

Source/platform/heap/ThreadState.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 116 matching lines @@
 #define WILL_BE_USING_PRE_FINALIZER(Class, method)
 #endif
 
 // List of typed heaps. The list is used to generate the implementation
 // of typed heap related methods.
 //
 // To create a new typed heap add a H(<ClassName>) to the
 // FOR_EACH_TYPED_HEAP macro below.
 #define FOR_EACH_TYPED_HEAP(H)              \
     H(Node)                                 \
-    H(CSSValue)
+    H(CSSValueObject)
 
 #define TypedHeapEnumName(Type) Type##HeapIndex,
 
 #if ENABLE(GC_PROFILING)
 const size_t numberOfGenerationsToTrack = 8;
 const size_t maxHeapObjectAge = numberOfGenerationsToTrack - 1;
 
 struct AgeCounts {
     int ages[numberOfGenerationsToTrack];
     AgeCounts() { std::fill(ages, ages + numberOfGenerationsToTrack, 0); }
@@ skipping 636 matching lines @@
 };
 
 template<> class ThreadStateFor<AnyThread> {
 public:
     static ThreadState* state() { return ThreadState::current(); }
 };
 
 } // namespace blink
 
 #endif // ThreadState_h