Remove ThreadState::m_isAtSafePoint

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

 /*
  * 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 194 matching lines @@
 
 #if DCHECK_IS_ON()
 BasePage* ThreadHeap::findPageFromAddress(Address address) {
   MutexLocker locker(m_threadAttachMutex);
   for (ThreadState* state : m_threads) {
     if (BasePage* page = state->findPageFromAddress(address))
       return page;
   }
   return nullptr;
 }
-
-bool ThreadHeap::isAtSafePoint() {
-  MutexLocker locker(m_threadAttachMutex);
-  for (ThreadState* state : m_threads) {
-    if (!state->isAtSafePoint())
-      return false;
-  }
-  return true;
-}
 #endif
 
 Address ThreadHeap::checkAndMarkPointer(Visitor* visitor, Address address) {
   ASSERT(ThreadState::current()->isInGC());
 
 #if !DCHECK_IS_ON()
   if (m_heapDoesNotContainCache->lookup(address))
     return nullptr;
 #endif
 
@@ skipping 354 matching lines @@
   ProcessHeap::decreaseTotalMarkedObjectSize(m_stats.markedObjectSize());
 
   m_stats.reset();
   for (ThreadState* state : m_threads)
     state->resetHeapCounters();
 }
 
 ThreadHeap* ThreadHeap::s_mainThreadHeap = nullptr;
 
 }  // namespace blink