| Index: third_party/WebKit/Source/platform/heap/HeapTest.cpp
 | 
| diff --git a/third_party/WebKit/Source/platform/heap/HeapTest.cpp b/third_party/WebKit/Source/platform/heap/HeapTest.cpp
 | 
| index 9d11b2e505f8dc1d06db6a761c62331fbeb1c464..28c8959d781c964412f19c20c0215ecdf47f22f4 100644
 | 
| --- a/third_party/WebKit/Source/platform/heap/HeapTest.cpp
 | 
| +++ b/third_party/WebKit/Source/platform/heap/HeapTest.cpp
 | 
| @@ -48,12 +48,12 @@ namespace blink {
 | 
|  
 | 
|  static void preciselyCollectGarbage()
 | 
|  {
 | 
| -    Heap::collectGarbage(BlinkGC::NoHeapPointersOnStack, BlinkGC::GCWithSweep, BlinkGC::ForcedGC);
 | 
| +    ThreadHeap::collectGarbage(BlinkGC::NoHeapPointersOnStack, BlinkGC::GCWithSweep, BlinkGC::ForcedGC);
 | 
|  }
 | 
|  
 | 
|  static void conservativelyCollectGarbage()
 | 
|  {
 | 
| -    Heap::collectGarbage(BlinkGC::HeapPointersOnStack, BlinkGC::GCWithSweep, BlinkGC::ForcedGC);
 | 
| +    ThreadHeap::collectGarbage(BlinkGC::HeapPointersOnStack, BlinkGC::GCWithSweep, BlinkGC::ForcedGC);
 | 
|  }
 | 
|  
 | 
|  class IntWrapper : public GarbageCollectedFinalized<IntWrapper> {
 | 
| @@ -157,11 +157,11 @@ public:
 | 
|      bool traceInCollection(VisitorDispatcher visitor, WTF::ShouldWeakPointersBeMarkedStrongly strongify)
 | 
|      {
 | 
|          visitor->traceInCollection(second, strongify);
 | 
| -        if (!Heap::isHeapObjectAlive(second))
 | 
| +        if (!ThreadHeap::isHeapObjectAlive(second))
 | 
|              return true;
 | 
|          // FIXME: traceInCollection is also called from WeakProcessing to check if the entry is dead.
 | 
|          // The below if avoids calling trace in that case by only calling trace when |first| is not yet marked.
 | 
| -        if (!Heap::isHeapObjectAlive(first))
 | 
| +        if (!ThreadHeap::isHeapObjectAlive(first))
 | 
|              visitor->trace(first);
 | 
|          return false;
 | 
|      }
 | 
| @@ -245,7 +245,7 @@ public:
 | 
|      {
 | 
|          ASSERT(m_state->checkThread());
 | 
|          if (LIKELY(ThreadState::stopThreads())) {
 | 
| -            Heap::preGC();
 | 
| +            ThreadHeap::preGC();
 | 
|              m_parkedAllThreads = true;
 | 
|          }
 | 
|      }
 | 
| @@ -257,7 +257,7 @@ public:
 | 
|          // Only cleanup if we parked all threads in which case the GC happened
 | 
|          // and we need to resume the other threads.
 | 
|          if (LIKELY(m_parkedAllThreads)) {
 | 
| -            Heap::postGC(BlinkGC::GCWithSweep);
 | 
| +            ThreadHeap::postGC(BlinkGC::GCWithSweep);
 | 
|              ThreadState::resumeThreads();
 | 
|          }
 | 
|      }
 | 
| @@ -415,9 +415,9 @@ private:
 | 
|  static void clearOutOldGarbage()
 | 
|  {
 | 
|      while (true) {
 | 
| -        size_t used = Heap::objectPayloadSizeForTesting();
 | 
| +        size_t used = ThreadHeap::objectPayloadSizeForTesting();
 | 
|          preciselyCollectGarbage();
 | 
| -        if (Heap::objectPayloadSizeForTesting() >= used)
 | 
| +        if (ThreadHeap::objectPayloadSizeForTesting() >= used)
 | 
|              break;
 | 
|      }
 | 
|  }
 | 
| @@ -544,7 +544,7 @@ protected:
 | 
|                  // Taking snapshot shouldn't have any bad side effect.
 | 
|                  // TODO(haraken): This snapshot GC causes crashes, so disable
 | 
|                  // it at the moment. Fix the crash and enable it.
 | 
| -                // Heap::collectGarbage(BlinkGC::NoHeapPointersOnStack, BlinkGC::TakeSnapshot, BlinkGC::ForcedGC);
 | 
| +                // ThreadHeap::collectGarbage(BlinkGC::NoHeapPointersOnStack, BlinkGC::TakeSnapshot, BlinkGC::ForcedGC);
 | 
|                  preciselyCollectGarbage();
 | 
|                  EXPECT_EQ(wrapper->value(), 0x0bbac0de);
 | 
|                  EXPECT_EQ((*globalPersistent)->value(), 0x0ed0cabb);
 | 
| @@ -599,7 +599,7 @@ private:
 | 
|                  // Taking snapshot shouldn't have any bad side effect.
 | 
|                  // TODO(haraken): This snapshot GC causes crashes, so disable
 | 
|                  // it at the moment. Fix the crash and enable it.
 | 
| -                // Heap::collectGarbage(BlinkGC::NoHeapPointersOnStack, BlinkGC::TakeSnapshot, BlinkGC::ForcedGC);
 | 
| +                // ThreadHeap::collectGarbage(BlinkGC::NoHeapPointersOnStack, BlinkGC::TakeSnapshot, BlinkGC::ForcedGC);
 | 
|                  preciselyCollectGarbage();
 | 
|                  EXPECT_TRUE(weakMap->isEmpty());
 | 
|                  EXPECT_TRUE(weakMap2.isEmpty());
 | 
| @@ -720,11 +720,11 @@ public:
 | 
|  
 | 
|      DEFINE_INLINE_TRACE()
 | 
|      {
 | 
| -        EXPECT_TRUE(Heap::isHeapObjectAlive(this));
 | 
| +        EXPECT_TRUE(ThreadHeap::isHeapObjectAlive(this));
 | 
|          if (!traceCount())
 | 
| -            EXPECT_FALSE(Heap::isHeapObjectAlive(m_traceCounter));
 | 
| +            EXPECT_FALSE(ThreadHeap::isHeapObjectAlive(m_traceCounter));
 | 
|          else
 | 
| -            EXPECT_TRUE(Heap::isHeapObjectAlive(m_traceCounter));
 | 
| +            EXPECT_TRUE(ThreadHeap::isHeapObjectAlive(m_traceCounter));
 | 
|  
 | 
|          visitor->trace(m_traceCounter);
 | 
|      }
 | 
| @@ -776,7 +776,7 @@ public:
 | 
|      {
 | 
|          ThreadState* state = ThreadState::current();
 | 
|          const char* typeName = WTF_HEAP_PROFILER_TYPE_NAME(IntNode);
 | 
| -        return Heap::allocateOnArenaIndex(state, size, BlinkGC::NodeArenaIndex, GCInfoTrait<IntNode>::index(), typeName);
 | 
| +        return ThreadHeap::allocateOnArenaIndex(state, size, BlinkGC::NodeArenaIndex, GCInfoTrait<IntNode>::index(), typeName);
 | 
|      }
 | 
|  
 | 
|      static IntNode* create(int i)
 | 
| @@ -1100,7 +1100,7 @@ public:
 | 
|  
 | 
|      void zapWeakMembers(Visitor* visitor)
 | 
|      {
 | 
| -        if (!Heap::isHeapObjectAlive(m_weakBar))
 | 
| +        if (!ThreadHeap::isHeapObjectAlive(m_weakBar))
 | 
|              m_weakBar = 0;
 | 
|      }
 | 
|  
 | 
| @@ -1295,7 +1295,7 @@ public:
 | 
|  
 | 
|      void zapWeakMembers(Visitor* visitor)
 | 
|      {
 | 
| -        if (m_data && !Heap::isHeapObjectAlive(m_data)) {
 | 
| +        if (m_data && !ThreadHeap::isHeapObjectAlive(m_data)) {
 | 
|              m_data->willFinalize();
 | 
|              m_data = nullptr;
 | 
|              m_didCallWillFinalize = true;
 | 
| @@ -1617,7 +1617,7 @@ class DynamicallySizedObject : public GarbageCollected<DynamicallySizedObject> {
 | 
|  public:
 | 
|      static DynamicallySizedObject* create(size_t size)
 | 
|      {
 | 
| -        void* slot = Heap::allocate<DynamicallySizedObject>(size);
 | 
| +        void* slot = ThreadHeap::allocate<DynamicallySizedObject>(size);
 | 
|          return new (slot) DynamicallySizedObject();
 | 
|      }
 | 
|  
 | 
| @@ -1763,7 +1763,7 @@ TEST(HeapTest, ThreadPersistent)
 | 
|  TEST(HeapTest, BasicFunctionality)
 | 
|  {
 | 
|      clearOutOldGarbage();
 | 
| -    size_t initialObjectPayloadSize = Heap::objectPayloadSizeForTesting();
 | 
| +    size_t initialObjectPayloadSize = ThreadHeap::objectPayloadSizeForTesting();
 | 
|      {
 | 
|          size_t slack = 0;
 | 
|  
 | 
| @@ -1772,7 +1772,7 @@ TEST(HeapTest, BasicFunctionality)
 | 
|          size_t baseLevel = initialObjectPayloadSize;
 | 
|          bool testPagesAllocated = !baseLevel;
 | 
|          if (testPagesAllocated)
 | 
| -            EXPECT_EQ(Heap::heapStats().allocatedSpace(), 0ul);
 | 
| +            EXPECT_EQ(ThreadHeap::heapStats().allocatedSpace(), 0ul);
 | 
|  
 | 
|          // This allocates objects on the general heap which should add a page of memory.
 | 
|          DynamicallySizedObject* alloc32 = DynamicallySizedObject::create(32);
 | 
| @@ -1784,9 +1784,9 @@ TEST(HeapTest, BasicFunctionality)
 | 
|  
 | 
|          size_t total = 96;
 | 
|  
 | 
| -        CheckWithSlack(baseLevel + total, Heap::objectPayloadSizeForTesting(), slack);
 | 
| +        CheckWithSlack(baseLevel + total, ThreadHeap::objectPayloadSizeForTesting(), slack);
 | 
|          if (testPagesAllocated)
 | 
| -            EXPECT_EQ(Heap::heapStats().allocatedSpace(), blinkPageSize * 2);
 | 
| +            EXPECT_EQ(ThreadHeap::heapStats().allocatedSpace(), blinkPageSize * 2);
 | 
|  
 | 
|          EXPECT_EQ(alloc32->get(0), 40);
 | 
|          EXPECT_EQ(alloc32->get(31), 40);
 | 
| @@ -1804,10 +1804,10 @@ TEST(HeapTest, BasicFunctionality)
 | 
|      clearOutOldGarbage();
 | 
|      size_t total = 0;
 | 
|      size_t slack = 0;
 | 
| -    size_t baseLevel = Heap::objectPayloadSizeForTesting();
 | 
| +    size_t baseLevel = ThreadHeap::objectPayloadSizeForTesting();
 | 
|      bool testPagesAllocated = !baseLevel;
 | 
|      if (testPagesAllocated)
 | 
| -        EXPECT_EQ(Heap::heapStats().allocatedSpace(), 0ul);
 | 
| +        EXPECT_EQ(ThreadHeap::heapStats().allocatedSpace(), 0ul);
 | 
|  
 | 
|      size_t big = 1008;
 | 
|      Persistent<DynamicallySizedObject> bigArea = DynamicallySizedObject::create(big);
 | 
| @@ -1823,9 +1823,9 @@ TEST(HeapTest, BasicFunctionality)
 | 
|          total += size;
 | 
|          persistents[persistentCount++] = new Persistent<DynamicallySizedObject>(DynamicallySizedObject::create(size));
 | 
|          slack += 4;
 | 
| -        CheckWithSlack(baseLevel + total, Heap::objectPayloadSizeForTesting(), slack);
 | 
| +        CheckWithSlack(baseLevel + total, ThreadHeap::objectPayloadSizeForTesting(), slack);
 | 
|          if (testPagesAllocated)
 | 
| -            EXPECT_EQ(0ul, Heap::heapStats().allocatedSpace() & (blinkPageSize - 1));
 | 
| +            EXPECT_EQ(0ul, ThreadHeap::heapStats().allocatedSpace() & (blinkPageSize - 1));
 | 
|      }
 | 
|  
 | 
|      {
 | 
| @@ -1838,16 +1838,16 @@ TEST(HeapTest, BasicFunctionality)
 | 
|          EXPECT_TRUE(alloc32b != alloc64b);
 | 
|  
 | 
|          total += 96;
 | 
| -        CheckWithSlack(baseLevel + total, Heap::objectPayloadSizeForTesting(), slack);
 | 
| +        CheckWithSlack(baseLevel + total, ThreadHeap::objectPayloadSizeForTesting(), slack);
 | 
|          if (testPagesAllocated)
 | 
| -            EXPECT_EQ(0ul, Heap::heapStats().allocatedSpace() & (blinkPageSize - 1));
 | 
| +            EXPECT_EQ(0ul, ThreadHeap::heapStats().allocatedSpace() & (blinkPageSize - 1));
 | 
|      }
 | 
|  
 | 
|      clearOutOldGarbage();
 | 
|      total -= 96;
 | 
|      slack -= 8;
 | 
|      if (testPagesAllocated)
 | 
| -        EXPECT_EQ(0ul, Heap::heapStats().allocatedSpace() & (blinkPageSize - 1));
 | 
| +        EXPECT_EQ(0ul, ThreadHeap::heapStats().allocatedSpace() & (blinkPageSize - 1));
 | 
|  
 | 
|      // Clear the persistent, so that the big area will be garbage collected.
 | 
|      bigArea.release();
 | 
| @@ -1855,42 +1855,42 @@ TEST(HeapTest, BasicFunctionality)
 | 
|  
 | 
|      total -= big;
 | 
|      slack -= 4;
 | 
| -    CheckWithSlack(baseLevel + total, Heap::objectPayloadSizeForTesting(), slack);
 | 
| +    CheckWithSlack(baseLevel + total, ThreadHeap::objectPayloadSizeForTesting(), slack);
 | 
|      if (testPagesAllocated)
 | 
| -        EXPECT_EQ(0ul, Heap::heapStats().allocatedSpace() & (blinkPageSize - 1));
 | 
| +        EXPECT_EQ(0ul, ThreadHeap::heapStats().allocatedSpace() & (blinkPageSize - 1));
 | 
|  
 | 
| -    CheckWithSlack(baseLevel + total, Heap::objectPayloadSizeForTesting(), slack);
 | 
| +    CheckWithSlack(baseLevel + total, ThreadHeap::objectPayloadSizeForTesting(), slack);
 | 
|      if (testPagesAllocated)
 | 
| -        EXPECT_EQ(0ul, Heap::heapStats().allocatedSpace() & (blinkPageSize - 1));
 | 
| +        EXPECT_EQ(0ul, ThreadHeap::heapStats().allocatedSpace() & (blinkPageSize - 1));
 | 
|  
 | 
|      for (size_t i = 0; i < persistentCount; i++) {
 | 
|          delete persistents[i];
 | 
|          persistents[i] = 0;
 | 
|      }
 | 
|  
 | 
| -    uint8_t* address = reinterpret_cast<uint8_t*>(Heap::allocate<DynamicallySizedObject>(100));
 | 
| +    uint8_t* address = reinterpret_cast<uint8_t*>(ThreadHeap::allocate<DynamicallySizedObject>(100));
 | 
|      for (int i = 0; i < 100; i++)
 | 
|          address[i] = i;
 | 
| -    address = reinterpret_cast<uint8_t*>(Heap::reallocate<DynamicallySizedObject>(address, 100000));
 | 
| +    address = reinterpret_cast<uint8_t*>(ThreadHeap::reallocate<DynamicallySizedObject>(address, 100000));
 | 
|      for (int i = 0; i < 100; i++)
 | 
|          EXPECT_EQ(address[i], i);
 | 
| -    address = reinterpret_cast<uint8_t*>(Heap::reallocate<DynamicallySizedObject>(address, 50));
 | 
| +    address = reinterpret_cast<uint8_t*>(ThreadHeap::reallocate<DynamicallySizedObject>(address, 50));
 | 
|      for (int i = 0; i < 50; i++)
 | 
|          EXPECT_EQ(address[i], i);
 | 
|      // This should be equivalent to free(address).
 | 
| -    EXPECT_EQ(reinterpret_cast<uintptr_t>(Heap::reallocate<DynamicallySizedObject>(address, 0)), 0ul);
 | 
| +    EXPECT_EQ(reinterpret_cast<uintptr_t>(ThreadHeap::reallocate<DynamicallySizedObject>(address, 0)), 0ul);
 | 
|      // This should be equivalent to malloc(0).
 | 
| -    EXPECT_EQ(reinterpret_cast<uintptr_t>(Heap::reallocate<DynamicallySizedObject>(0, 0)), 0ul);
 | 
| +    EXPECT_EQ(reinterpret_cast<uintptr_t>(ThreadHeap::reallocate<DynamicallySizedObject>(0, 0)), 0ul);
 | 
|  }
 | 
|  
 | 
|  TEST(HeapTest, SimpleAllocation)
 | 
|  {
 | 
|      clearOutOldGarbage();
 | 
| -    EXPECT_EQ(0ul, Heap::objectPayloadSizeForTesting());
 | 
| +    EXPECT_EQ(0ul, ThreadHeap::objectPayloadSizeForTesting());
 | 
|  
 | 
|      // Allocate an object in the heap.
 | 
|      HeapAllocatedArray* array = new HeapAllocatedArray();
 | 
| -    EXPECT_TRUE(Heap::objectPayloadSizeForTesting() >= sizeof(HeapAllocatedArray));
 | 
| +    EXPECT_TRUE(ThreadHeap::objectPayloadSizeForTesting() >= sizeof(HeapAllocatedArray));
 | 
|  
 | 
|      // Sanity check of the contents in the heap.
 | 
|      EXPECT_EQ(0, array->at(0));
 | 
| @@ -1967,7 +1967,7 @@ TEST(HeapTest, LazySweepingPages)
 | 
|      EXPECT_EQ(0, SimpleFinalizedObject::s_destructorCalls);
 | 
|      for (int i = 0; i < 1000; i++)
 | 
|          SimpleFinalizedObject::create();
 | 
| -    Heap::collectGarbage(BlinkGC::NoHeapPointersOnStack, BlinkGC::GCWithoutSweep, BlinkGC::ForcedGC);
 | 
| +    ThreadHeap::collectGarbage(BlinkGC::NoHeapPointersOnStack, BlinkGC::GCWithoutSweep, BlinkGC::ForcedGC);
 | 
|      EXPECT_EQ(0, SimpleFinalizedObject::s_destructorCalls);
 | 
|      for (int i = 0; i < 10000; i++)
 | 
|          SimpleFinalizedObject::create();
 | 
| @@ -1994,7 +1994,7 @@ TEST(HeapTest, LazySweepingLargeObjectPages)
 | 
|      EXPECT_EQ(0, LargeHeapObject::s_destructorCalls);
 | 
|      for (int i = 0; i < 10; i++)
 | 
|          LargeHeapObject::create();
 | 
| -    Heap::collectGarbage(BlinkGC::NoHeapPointersOnStack, BlinkGC::GCWithoutSweep, BlinkGC::ForcedGC);
 | 
| +    ThreadHeap::collectGarbage(BlinkGC::NoHeapPointersOnStack, BlinkGC::GCWithoutSweep, BlinkGC::ForcedGC);
 | 
|      EXPECT_EQ(0, LargeHeapObject::s_destructorCalls);
 | 
|      for (int i = 0; i < 10; i++) {
 | 
|          LargeHeapObject::create();
 | 
| @@ -2003,7 +2003,7 @@ TEST(HeapTest, LazySweepingLargeObjectPages)
 | 
|      LargeHeapObject::create();
 | 
|      LargeHeapObject::create();
 | 
|      EXPECT_EQ(10, LargeHeapObject::s_destructorCalls);
 | 
| -    Heap::collectGarbage(BlinkGC::NoHeapPointersOnStack, BlinkGC::GCWithoutSweep, BlinkGC::ForcedGC);
 | 
| +    ThreadHeap::collectGarbage(BlinkGC::NoHeapPointersOnStack, BlinkGC::GCWithoutSweep, BlinkGC::ForcedGC);
 | 
|      EXPECT_EQ(10, LargeHeapObject::s_destructorCalls);
 | 
|      preciselyCollectGarbage();
 | 
|      EXPECT_EQ(22, LargeHeapObject::s_destructorCalls);
 | 
| @@ -2078,7 +2078,7 @@ TEST(HeapTest, EagerlySweepingPages)
 | 
|          SimpleFinalizedEagerObject::create();
 | 
|      for (int i = 0; i < 100; i++)
 | 
|          SimpleFinalizedObjectInstanceOfTemplate::create();
 | 
| -    Heap::collectGarbage(BlinkGC::NoHeapPointersOnStack, BlinkGC::GCWithoutSweep, BlinkGC::ForcedGC);
 | 
| +    ThreadHeap::collectGarbage(BlinkGC::NoHeapPointersOnStack, BlinkGC::GCWithoutSweep, BlinkGC::ForcedGC);
 | 
|      EXPECT_EQ(0, SimpleFinalizedObject::s_destructorCalls);
 | 
|      EXPECT_EQ(100, SimpleFinalizedEagerObject::s_destructorCalls);
 | 
|      EXPECT_EQ(100, SimpleFinalizedObjectInstanceOfTemplate::s_destructorCalls);
 | 
| @@ -2221,7 +2221,7 @@ TEST(HeapTest, HashMapOfMembers)
 | 
|      IntWrapper::s_destructorCalls = 0;
 | 
|  
 | 
|      clearOutOldGarbage();
 | 
| -    size_t initialObjectPayloadSize = Heap::objectPayloadSizeForTesting();
 | 
| +    size_t initialObjectPayloadSize = ThreadHeap::objectPayloadSizeForTesting();
 | 
|      {
 | 
|          typedef HeapHashMap<
 | 
|              Member<IntWrapper>,
 | 
| @@ -2233,11 +2233,11 @@ TEST(HeapTest, HashMapOfMembers)
 | 
|          Persistent<HeapObjectIdentityMap> map = new HeapObjectIdentityMap();
 | 
|  
 | 
|          map->clear();
 | 
| -        size_t afterSetWasCreated = Heap::objectPayloadSizeForTesting();
 | 
| +        size_t afterSetWasCreated = ThreadHeap::objectPayloadSizeForTesting();
 | 
|          EXPECT_TRUE(afterSetWasCreated > initialObjectPayloadSize);
 | 
|  
 | 
|          preciselyCollectGarbage();
 | 
| -        size_t afterGC = Heap::objectPayloadSizeForTesting();
 | 
| +        size_t afterGC = ThreadHeap::objectPayloadSizeForTesting();
 | 
|          EXPECT_EQ(afterGC, afterSetWasCreated);
 | 
|  
 | 
|          // If the additions below cause garbage collections, these
 | 
| @@ -2247,7 +2247,7 @@ TEST(HeapTest, HashMapOfMembers)
 | 
|  
 | 
|          map->add(one, one);
 | 
|  
 | 
| -        size_t afterOneAdd = Heap::objectPayloadSizeForTesting();
 | 
| +        size_t afterOneAdd = ThreadHeap::objectPayloadSizeForTesting();
 | 
|          EXPECT_TRUE(afterOneAdd > afterGC);
 | 
|  
 | 
|          HeapObjectIdentityMap::iterator it(map->begin());
 | 
| @@ -2264,7 +2264,7 @@ TEST(HeapTest, HashMapOfMembers)
 | 
|          // stack scanning as that could find a pointer to the
 | 
|          // old backing.
 | 
|          preciselyCollectGarbage();
 | 
| -        size_t afterAddAndGC = Heap::objectPayloadSizeForTesting();
 | 
| +        size_t afterAddAndGC = ThreadHeap::objectPayloadSizeForTesting();
 | 
|          EXPECT_TRUE(afterAddAndGC >= afterOneAdd);
 | 
|  
 | 
|          EXPECT_EQ(map->size(), 2u); // Two different wrappings of '1' are distinct.
 | 
| @@ -2277,7 +2277,7 @@ TEST(HeapTest, HashMapOfMembers)
 | 
|          EXPECT_EQ(gotten->value(), one->value());
 | 
|          EXPECT_EQ(gotten, one);
 | 
|  
 | 
| -        size_t afterGC2 = Heap::objectPayloadSizeForTesting();
 | 
| +        size_t afterGC2 = ThreadHeap::objectPayloadSizeForTesting();
 | 
|          EXPECT_EQ(afterGC2, afterAddAndGC);
 | 
|  
 | 
|          IntWrapper* dozen = 0;
 | 
| @@ -2289,7 +2289,7 @@ TEST(HeapTest, HashMapOfMembers)
 | 
|              if (i == 12)
 | 
|                  dozen = iWrapper;
 | 
|          }
 | 
| -        size_t afterAdding1000 = Heap::objectPayloadSizeForTesting();
 | 
| +        size_t afterAdding1000 = ThreadHeap::objectPayloadSizeForTesting();
 | 
|          EXPECT_TRUE(afterAdding1000 > afterGC2);
 | 
|  
 | 
|          IntWrapper* gross(map->get(dozen));
 | 
| @@ -2297,34 +2297,34 @@ TEST(HeapTest, HashMapOfMembers)
 | 
|  
 | 
|          // This should clear out any junk backings created by all the adds.
 | 
|          preciselyCollectGarbage();
 | 
| -        size_t afterGC3 = Heap::objectPayloadSizeForTesting();
 | 
| +        size_t afterGC3 = ThreadHeap::objectPayloadSizeForTesting();
 | 
|          EXPECT_TRUE(afterGC3 <= afterAdding1000);
 | 
|      }
 | 
|  
 | 
|      preciselyCollectGarbage();
 | 
|      // The objects 'one', anotherOne, and the 999 other pairs.
 | 
|      EXPECT_EQ(IntWrapper::s_destructorCalls, 2000);
 | 
| -    size_t afterGC4 = Heap::objectPayloadSizeForTesting();
 | 
| +    size_t afterGC4 = ThreadHeap::objectPayloadSizeForTesting();
 | 
|      EXPECT_EQ(afterGC4, initialObjectPayloadSize);
 | 
|  }
 | 
|  
 | 
|  TEST(HeapTest, NestedAllocation)
 | 
|  {
 | 
|      clearOutOldGarbage();
 | 
| -    size_t initialObjectPayloadSize = Heap::objectPayloadSizeForTesting();
 | 
| +    size_t initialObjectPayloadSize = ThreadHeap::objectPayloadSizeForTesting();
 | 
|      {
 | 
|          Persistent<ConstructorAllocation> constructorAllocation = ConstructorAllocation::create();
 | 
|      }
 | 
|      clearOutOldGarbage();
 | 
| -    size_t afterFree = Heap::objectPayloadSizeForTesting();
 | 
| +    size_t afterFree = ThreadHeap::objectPayloadSizeForTesting();
 | 
|      EXPECT_TRUE(initialObjectPayloadSize == afterFree);
 | 
|  }
 | 
|  
 | 
|  TEST(HeapTest, LargeHeapObjects)
 | 
|  {
 | 
|      clearOutOldGarbage();
 | 
| -    size_t initialObjectPayloadSize = Heap::objectPayloadSizeForTesting();
 | 
| -    size_t initialAllocatedSpace = Heap::heapStats().allocatedSpace();
 | 
| +    size_t initialObjectPayloadSize = ThreadHeap::objectPayloadSizeForTesting();
 | 
| +    size_t initialAllocatedSpace = ThreadHeap::heapStats().allocatedSpace();
 | 
|      IntWrapper::s_destructorCalls = 0;
 | 
|      LargeHeapObject::s_destructorCalls = 0;
 | 
|      {
 | 
| @@ -2333,15 +2333,15 @@ TEST(HeapTest, LargeHeapObjects)
 | 
|          ASSERT(ThreadState::current()->findPageFromAddress(object));
 | 
|          ASSERT(ThreadState::current()->findPageFromAddress(reinterpret_cast<char*>(object.get()) + sizeof(LargeHeapObject) - 1));
 | 
|          clearOutOldGarbage();
 | 
| -        size_t afterAllocation = Heap::heapStats().allocatedSpace();
 | 
| +        size_t afterAllocation = ThreadHeap::heapStats().allocatedSpace();
 | 
|          {
 | 
|              object->set(0, 'a');
 | 
|              EXPECT_EQ('a', object->get(0));
 | 
|              object->set(object->length() - 1, 'b');
 | 
|              EXPECT_EQ('b', object->get(object->length() - 1));
 | 
| -            size_t expectedLargeHeapObjectPayloadSize = Heap::allocationSizeFromSize(sizeof(LargeHeapObject));
 | 
| +            size_t expectedLargeHeapObjectPayloadSize = ThreadHeap::allocationSizeFromSize(sizeof(LargeHeapObject));
 | 
|              size_t expectedObjectPayloadSize = expectedLargeHeapObjectPayloadSize + sizeof(IntWrapper);
 | 
| -            size_t actualObjectPayloadSize = Heap::objectPayloadSizeForTesting() - initialObjectPayloadSize;
 | 
| +            size_t actualObjectPayloadSize = ThreadHeap::objectPayloadSizeForTesting() - initialObjectPayloadSize;
 | 
|              CheckWithSlack(expectedObjectPayloadSize, actualObjectPayloadSize, slack);
 | 
|              // There is probably space for the IntWrapper in a heap page without
 | 
|              // allocating extra pages. However, the IntWrapper allocation might cause
 | 
| @@ -2357,13 +2357,13 @@ TEST(HeapTest, LargeHeapObjects)
 | 
|                  object = LargeHeapObject::create();
 | 
|          }
 | 
|          clearOutOldGarbage();
 | 
| -        EXPECT_TRUE(Heap::heapStats().allocatedSpace() == afterAllocation);
 | 
| +        EXPECT_TRUE(ThreadHeap::heapStats().allocatedSpace() == afterAllocation);
 | 
|          EXPECT_EQ(10, IntWrapper::s_destructorCalls);
 | 
|          EXPECT_EQ(10, LargeHeapObject::s_destructorCalls);
 | 
|      }
 | 
|      clearOutOldGarbage();
 | 
| -    EXPECT_TRUE(initialObjectPayloadSize == Heap::objectPayloadSizeForTesting());
 | 
| -    EXPECT_TRUE(initialAllocatedSpace == Heap::heapStats().allocatedSpace());
 | 
| +    EXPECT_TRUE(initialObjectPayloadSize == ThreadHeap::objectPayloadSizeForTesting());
 | 
| +    EXPECT_TRUE(initialAllocatedSpace == ThreadHeap::heapStats().allocatedSpace());
 | 
|      EXPECT_EQ(11, IntWrapper::s_destructorCalls);
 | 
|      EXPECT_EQ(11, LargeHeapObject::s_destructorCalls);
 | 
|      preciselyCollectGarbage();
 | 
| @@ -3779,15 +3779,15 @@ TEST(HeapTest, CheckAndMarkPointer)
 | 
|          TestGCScope scope(BlinkGC::HeapPointersOnStack);
 | 
|          CountingVisitor visitor(ThreadState::current());
 | 
|          EXPECT_TRUE(scope.allThreadsParked()); // Fail the test if we could not park all threads.
 | 
| -        Heap::flushHeapDoesNotContainCache();
 | 
| +        ThreadHeap::flushHeapDoesNotContainCache();
 | 
|          for (size_t i = 0; i < objectAddresses.size(); i++) {
 | 
| -            EXPECT_TRUE(Heap::checkAndMarkPointer(&visitor, objectAddresses[i]));
 | 
| -            EXPECT_TRUE(Heap::checkAndMarkPointer(&visitor, endAddresses[i]));
 | 
| +            EXPECT_TRUE(ThreadHeap::checkAndMarkPointer(&visitor, objectAddresses[i]));
 | 
| +            EXPECT_TRUE(ThreadHeap::checkAndMarkPointer(&visitor, endAddresses[i]));
 | 
|          }
 | 
|          EXPECT_EQ(objectAddresses.size() * 2, visitor.count());
 | 
|          visitor.reset();
 | 
| -        EXPECT_TRUE(Heap::checkAndMarkPointer(&visitor, largeObjectAddress));
 | 
| -        EXPECT_TRUE(Heap::checkAndMarkPointer(&visitor, largeObjectEndAddress));
 | 
| +        EXPECT_TRUE(ThreadHeap::checkAndMarkPointer(&visitor, largeObjectAddress));
 | 
| +        EXPECT_TRUE(ThreadHeap::checkAndMarkPointer(&visitor, largeObjectEndAddress));
 | 
|          EXPECT_EQ(2ul, visitor.count());
 | 
|          visitor.reset();
 | 
|      }
 | 
| @@ -3799,7 +3799,7 @@ TEST(HeapTest, CheckAndMarkPointer)
 | 
|          TestGCScope scope(BlinkGC::HeapPointersOnStack);
 | 
|          CountingVisitor visitor(ThreadState::current());
 | 
|          EXPECT_TRUE(scope.allThreadsParked());
 | 
| -        Heap::flushHeapDoesNotContainCache();
 | 
| +        ThreadHeap::flushHeapDoesNotContainCache();
 | 
|          for (size_t i = 0; i < objectAddresses.size(); i++) {
 | 
|              // We would like to assert that checkAndMarkPointer returned false
 | 
|              // here because the pointers no longer point into a valid object
 | 
| @@ -3808,12 +3808,12 @@ TEST(HeapTest, CheckAndMarkPointer)
 | 
|              // whether it points at a valid object (this ensures the
 | 
|              // correctness of the page-based on-heap address caches), so we
 | 
|              // can't make that assert.
 | 
| -            Heap::checkAndMarkPointer(&visitor, objectAddresses[i]);
 | 
| -            Heap::checkAndMarkPointer(&visitor, endAddresses[i]);
 | 
| +            ThreadHeap::checkAndMarkPointer(&visitor, objectAddresses[i]);
 | 
| +            ThreadHeap::checkAndMarkPointer(&visitor, endAddresses[i]);
 | 
|          }
 | 
|          EXPECT_EQ(0ul, visitor.count());
 | 
| -        Heap::checkAndMarkPointer(&visitor, largeObjectAddress);
 | 
| -        Heap::checkAndMarkPointer(&visitor, largeObjectEndAddress);
 | 
| +        ThreadHeap::checkAndMarkPointer(&visitor, largeObjectAddress);
 | 
| +        ThreadHeap::checkAndMarkPointer(&visitor, largeObjectEndAddress);
 | 
|          EXPECT_EQ(0ul, visitor.count());
 | 
|      }
 | 
|      // This round of GC is important to make sure that the object start
 | 
| @@ -5012,7 +5012,7 @@ struct EmptyClearingHashSetTraits : HashTraits<WeakSet> {
 | 
|          bool liveEntriesFound = false;
 | 
|          WeakSet::iterator end = set.end();
 | 
|          for (WeakSet::iterator it = set.begin(); it != end; ++it) {
 | 
| -            if (Heap::isHeapObjectAlive(*it)) {
 | 
| +            if (ThreadHeap::isHeapObjectAlive(*it)) {
 | 
|                  liveEntriesFound = true;
 | 
|                  break;
 | 
|              }
 | 
| @@ -5940,7 +5940,7 @@ TEST(HeapTest, AllocationInSuperConstructorArgument)
 | 
|  {
 | 
|      AllocInSuperConstructorArgument* object = new AllocInSuperConstructorArgument();
 | 
|      EXPECT_TRUE(object);
 | 
| -    Heap::collectAllGarbage();
 | 
| +    ThreadHeap::collectAllGarbage();
 | 
|  }
 | 
|  
 | 
|  class NonNodeAllocatingNodeInDestructor : public GarbageCollectedFinalized<NonNodeAllocatingNodeInDestructor> {
 | 
| @@ -6392,7 +6392,7 @@ void workerThreadMainForCrossThreadWeakPersistentTest(DestructorLockingObject**
 | 
|      parkWorkerThread();
 | 
|  
 | 
|      // Step 4: Run a GC.
 | 
| -    Heap::collectGarbage(BlinkGC::NoHeapPointersOnStack, BlinkGC::GCWithSweep, BlinkGC::ForcedGC);
 | 
| +    ThreadHeap::collectGarbage(BlinkGC::NoHeapPointersOnStack, BlinkGC::GCWithSweep, BlinkGC::ForcedGC);
 | 
|      wakeMainThread();
 | 
|      parkWorkerThread();
 | 
|  
 | 
| 
 |