Remove SafePointBarrier

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

Index: third_party/WebKit/Source/platform/heap/Heap.cpp
diff --git a/third_party/WebKit/Source/platform/heap/Heap.cpp b/third_party/WebKit/Source/platform/heap/Heap.cpp
index b5665c53f93c821ea55d8207811f81d9ae528f80..97ce82652ee13f4f0faa6d619a769c9dda901936 100644
--- a/third_party/WebKit/Source/platform/heap/Heap.cpp
+++ b/third_party/WebKit/Source/platform/heap/Heap.cpp
@@ -148,7 +148,6 @@ void ThreadHeapStats::decreaseAllocatedSpace(size_t delta) {
 ThreadHeap::ThreadHeap()
     : m_regionTree(WTF::makeUnique<RegionTree>()),
       m_heapDoesNotContainCache(WTF::wrapUnique(new HeapDoesNotContainCache)),
-      m_safePointBarrier(WTF::makeUnique<SafePointBarrier>()),
       m_freePagePool(WTF::wrapUnique(new PagePool)),
       m_markingStack(CallbackStack::create()),
       m_postMarkingCallbackStack(CallbackStack::create()),
@@ -539,14 +538,6 @@ void ThreadHeap::visitStackRoots(Visitor* visitor) {
     state->visitStack(visitor);
 }
 
-void ThreadHeap::enterSafePoint(ThreadState* threadState) {
-  m_safePointBarrier->enterSafePoint(threadState);
-}
-
-void ThreadHeap::leaveSafePoint() {
-  m_safePointBarrier->leaveSafePoint();
-}
-
 BasePage* ThreadHeap::lookupPageForAddress(Address address) {
   ASSERT(ThreadState::current()->isInGC());
   if (PageMemoryRegion* region = m_regionTree->lookup(address)) {