Move Partition Allocator into Chromium base.

third_party/WebKit/Source/platform/heap/CallbackStack.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "platform/heap/CallbackStack.h"
 #include "wtf/PtrUtil.h"
-#include "wtf/allocator/PageAllocator.h"
 #include "wtf/allocator/Partitions.h"
 
 namespace blink {
 
 CallbackStackMemoryPool& CallbackStackMemoryPool::instance() {
   DEFINE_STATIC_LOCAL(CallbackStackMemoryPool, memoryPool, ());
   return memoryPool;
 }
 
 void CallbackStackMemoryPool::initialize() {
@@ skipping 191 matching lines @@
 bool CallbackStack::hasCallbackForObject(const void* object) {
   for (Block* current = m_first; current; current = current->next()) {
     if (current->hasCallbackForObject(object))
       return true;
   }
   return false;
 }
 #endif
 
 }  // namespace blink