Revert of Rename Heap to ThreadHeap

third_party/WebKit/Source/core/css/CSSValue.h

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 25 matching lines @@
     // a dedicated heap.
     GC_PLUGIN_IGNORE("crbug.com/443854")
     void* operator new(size_t size)
     {
         return allocateObject(size, false);
     }
     static void* allocateObject(size_t size, bool isEager)
     {
         ThreadState* state = ThreadStateFor<ThreadingTrait<CSSValue>::Affinity>::state();
         const char typeName[] = "blink::CSSValue";
-        return ThreadHeap::allocateOnArenaIndex(state, size, isEager ? BlinkGC::EagerSweepArenaIndex : BlinkGC::CSSValueArenaIndex, GCInfoTrait<CSSValue>::index(), typeName);
+        return Heap::allocateOnArenaIndex(state, size, isEager ? BlinkGC::EagerSweepArenaIndex : BlinkGC::CSSValueArenaIndex, GCInfoTrait<CSSValue>::index(), typeName);
     }
 
     String cssText() const;
 
     bool isPrimitiveValue() const { return m_classType == PrimitiveClass; }
     bool isValuePair() const { return m_classType == ValuePairClass; }
     bool isValueList() const { return m_classType >= ValueListClass; }
 
     bool isBaseValueList() const { return m_classType == ValueListClass; }
 
@@ skipping 204 matching lines @@
         return false;
     return first->equals(*second);
 }
 
 #define DEFINE_CSS_VALUE_TYPE_CASTS(thisType, predicate) \
     DEFINE_TYPE_CASTS(thisType, CSSValue, value, value->predicate, value.predicate)
 
 } // namespace blink
 
 #endif // CSSValue_h