Added Dartium changes onto 45.0.2454.104

Source/wtf/ArrayBufferContents.h

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  * 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 76 matching lines @@
         ~DataHolder();
 
         void allocateNew(unsigned sizeInBytes, SharingType isShared, InitializationPolicy);
         void adopt(void* data, unsigned sizeInBytes, SharingType isShared);
         void copyMemoryTo(DataHolder& other);
 
         void* data() const { return m_data; }
         unsigned sizeInBytes() const { return m_sizeInBytes; }
         bool isShared() const { return m_isShared == Shared; }
 
+        void setAllocated(bool allocate) { m_malloc = allocate; }
+        bool isAllocated() const { return m_malloc; }
+
     private:
         void* m_data;
+        bool m_malloc;
         unsigned m_sizeInBytes;
         SharingType m_isShared;
     };
 
     RefPtr<DataHolder> m_holder;
     static AdjustAmountOfExternalAllocatedMemoryFunction s_adjustAmountOfExternalAllocatedMemoryFunction;
 };
 
 } // namespace WTF
 
 #endif // ArrayBufferContents_h