Remove SafePointBarrier

third_party/WebKit/Source/platform/heap/Heap.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 255 matching lines @@
   template <typename T>
   static inline bool isHeapObjectAlive(const UntracedMember<T>& member) {
     return isHeapObjectAlive(member.get());
   }
 
   StackFrameDepth& stackFrameDepth() { return m_stackFrameDepth; }
 
   RecursiveMutex& threadAttachMutex() { return m_threadAttachMutex; }
   const ThreadStateSet& threads() const { return m_threads; }
   ThreadHeapStats& heapStats() { return m_stats; }
-  SafePointBarrier* safePointBarrier() { return m_safePointBarrier.get(); }
   CallbackStack* markingStack() const { return m_markingStack.get(); }
   CallbackStack* postMarkingCallbackStack() const {
     return m_postMarkingCallbackStack.get();
   }
   CallbackStack* globalWeakCallbackStack() const {
     return m_globalWeakCallbackStack.get();
   }
   CallbackStack* ephemeronStack() const { return m_ephemeronStack.get(); }
 
   void attach(ThreadState*);
@@ skipping 166 matching lines @@
   static bool isNormalArenaIndex(int);
 
   void commitCallbackStacks();
   void decommitCallbackStacks();
 
   RecursiveMutex m_threadAttachMutex;
   ThreadStateSet m_threads;
   ThreadHeapStats m_stats;
   std::unique_ptr<RegionTree> m_regionTree;
   std::unique_ptr<HeapDoesNotContainCache> m_heapDoesNotContainCache;
-  std::unique_ptr<SafePointBarrier> m_safePointBarrier;
   std::unique_ptr<PagePool> m_freePagePool;
   std::unique_ptr<CallbackStack> m_markingStack;
   std::unique_ptr<CallbackStack> m_postMarkingCallbackStack;
   std::unique_ptr<CallbackStack> m_globalWeakCallbackStack;
   std::unique_ptr<CallbackStack> m_ephemeronStack;
   BlinkGC::GCReason m_lastGCReason;
   StackFrameDepth m_stackFrameDepth;
 
   std::unique_ptr<HeapCompact> m_compaction;
 
@@ skipping 205 matching lines @@
   T** cell = reinterpret_cast<T**>(object);
   if (*cell && !ObjectAliveTrait<T>::isHeapObjectAlive(*cell))
     *cell = nullptr;
 }
 
 }  // namespace blink
 
 #include "platform/heap/VisitorImpl.h"
 
 #endif  // Heap_h