Revert "Use V8 implementation of ArrayBuffer in Blink."

Source/wtf/ArrayBufferContents.cpp

 /*
  * 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 34 matching lines @@
     // FIXME: Why not? The tryFastCalloc function already checks its arguments,
     // and will fail if there is any overflow, so why should we include a
     // redudant unnecessarily restrictive check here?
     if (numElements) {
         unsigned totalSize = numElements * elementByteSize;
         if (totalSize / numElements != elementByteSize) {
             m_data = 0;
             return;
         }
     }
-    if (allocateMemory(numElements * elementByteSize, policy, m_data)) {
+    bool allocationSucceeded = false;
+    if (policy == ZeroInitialize)
+        allocationSucceeded = WTF::tryFastCalloc(numElements, elementByteSize).getValue(m_data);
+    else {
+        ASSERT(policy == DontInitialize);
+        allocationSucceeded = WTF::tryFastMalloc(numElements * elementByteSize).getValue(m_data);
+    }
+
+    if (allocationSucceeded) {
         m_sizeInBytes = numElements * elementByteSize;
         return;
     }
     m_data = 0;
 }
 
-ArrayBufferContents::ArrayBufferContents(void* data, unsigned sizeInBytes)
-    : m_data(data)
-    , m_sizeInBytes(sizeInBytes)
-    , m_deallocationObserver(0) { }
-
 ArrayBufferContents::~ArrayBufferContents()
 {
-    freeMemory(m_data);
+    WTF::fastFree(m_data);
     clear();
 }
 
 void ArrayBufferContents::clear()
 {
     if (m_data && m_deallocationObserver)
         m_deallocationObserver->ArrayBufferDeallocated(m_sizeInBytes);
     m_data = 0;
     m_sizeInBytes = 0;
     m_deallocationObserver = 0;
 }
 
 void ArrayBufferContents::transfer(ArrayBufferContents& other)
 {
     ASSERT(!other.m_data);
     other.m_data = m_data;
     other.m_sizeInBytes = m_sizeInBytes;
     clear();
 }
 
-bool ArrayBufferContents::allocateMemory(size_t size, InitializationPolicy policy, void*& data)
-{
-    if (policy == ZeroInitialize) {
-        return WTF::tryFastCalloc(size, 1).getValue(data);
-    }
-    ASSERT(policy == DontInitialize);
-    return WTF::tryFastMalloc(size).getValue(data);
-}
-
-void ArrayBufferContents::freeMemory(void * data)
-{
-    WTF::fastFree(data);
-}
-
 } // namespace WTF