Remove SafePointAwareMutexLocker

third_party/WebKit/Source/platform/heap/ThreadState.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 1202 matching lines @@
 #endif
   ASSERT(stackState == BlinkGC::NoHeapPointersOnStack || scopeMarker);
   runScheduledGC(stackState);
   ASSERT(!m_atSafePoint);
   m_atSafePoint = true;
   m_stackState = stackState;
   m_safePointScopeMarker = scopeMarker;
   m_heap->enterSafePoint(this);
 }
 
-void ThreadState::leaveSafePoint(SafePointAwareMutexLocker* locker) {
+void ThreadState::leaveSafePoint() {
   ASSERT(checkThread());
   ASSERT(m_atSafePoint);
-  m_heap->leaveSafePoint(this, locker);
+  m_heap->leaveSafePoint();
   m_atSafePoint = false;
   m_stackState = BlinkGC::HeapPointersOnStack;
   clearSafePointScopeMarker();
 }
 
 void ThreadState::reportMemoryToV8() {
   if (!m_isolate)
     return;
 
   size_t currentHeapSize = m_allocatedObjectSize + m_markedObjectSize;
@@ skipping 402 matching lines @@
     collectGarbage(BlinkGC::NoHeapPointersOnStack, BlinkGC::GCWithSweep,
                    BlinkGC::ForcedGC);
     size_t liveObjects = heap().heapStats().markedObjectSize();
     if (liveObjects == previousLiveObjects)
       break;
     previousLiveObjects = liveObjects;
   }
 }
 
 }  // namespace blink