Remove SafePointAwareMutexLocker

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

Index: third_party/WebKit/Source/platform/heap/ThreadState.cpp
diff --git a/third_party/WebKit/Source/platform/heap/ThreadState.cpp b/third_party/WebKit/Source/platform/heap/ThreadState.cpp
index 6b2c93f9302c472ac554a562e35abcbedce99d4a..f1ca7fb2bafc2c1f42036ab33be3c289ed8b5bfe 100644
--- a/third_party/WebKit/Source/platform/heap/ThreadState.cpp
+++ b/third_party/WebKit/Source/platform/heap/ThreadState.cpp
@@ -1220,10 +1220,10 @@ void ThreadState::enterSafePoint(BlinkGC::StackState stackState,
   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();