Oilpan: move RenderObjects off heap.

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 156 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(RenderObject)                         \
     H(CSSValue)
 
 #define TypedHeapEnumName(Type) Type##Heap,
 
 enum TypedHeaps {
     GeneralHeap = 0,
     VectorBackingHeap,
     InlineVectorBackingHeap,
     HashTableBackingHeap,
     FOR_EACH_TYPED_HEAP(TypedHeapEnumName)
@@ skipping 537 matching lines @@
         m_locked = false;
     }
 
     MutexBase& m_mutex;
     bool m_locked;
 };
 
 } // namespace blink
 
 #endif // ThreadState_h