Oilpan: Remove OffHeapCollectionTrait

Source/platform/heap/HeapTest.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 2157 matching lines @@
         visitor->trace(dequeUW);
     }
 };
 
 struct ShouldBeTraced {
     explicit ShouldBeTraced(IntWrapper* wrapper) : m_wrapper(wrapper) { }
     DEFINE_INLINE_TRACE() { visitor->trace(m_wrapper); }
     Member<IntWrapper> m_wrapper;
 };
 
-class OffHeapContainer : public GarbageCollectedFinalized<OffHeapContainer> {
-public:
-    static OffHeapContainer* create() { return new OffHeapContainer(); }
-
-    static const int iterations = 300;
-    static const int deadWrappers = 600;
-
-    OffHeapContainer()
-    {
-        for (int i = 0; i < iterations; i++) {
-            m_deque1.append(ShouldBeTraced(IntWrapper::create(i)));
-            m_vector1.append(ShouldBeTraced(IntWrapper::create(i)));
-        }
-
-        Deque<ShouldBeTraced>::iterator d1Iterator(m_deque1.begin());
-        Vector<ShouldBeTraced>::iterator v1Iterator(m_vector1.begin());
-
-        for (int i = 0; i < iterations; i++) {
-            EXPECT_EQ(i, m_vector1[i].m_wrapper->value());
-            EXPECT_EQ(i, d1Iterator->m_wrapper->value());
-            EXPECT_EQ(i, v1Iterator->m_wrapper->value());
-            ++d1Iterator;
-            ++v1Iterator;
-        }
-        EXPECT_EQ(d1Iterator, m_deque1.end());
-        EXPECT_EQ(v1Iterator, m_vector1.end());
-    }
-
-    DEFINE_INLINE_TRACE()
-    {
-        visitor->trace(m_deque1);
-        visitor->trace(m_vector1);
-    }
-
-    Deque<ShouldBeTraced> m_deque1;
-    Vector<ShouldBeTraced> m_vector1;
-};
-
-const int OffHeapContainer::iterations;
-const int OffHeapContainer::deadWrappers;
-
 // These class definitions test compile-time asserts with transition
 // types. They are therefore unused in test code and just need to
 // compile. This is intentional; do not delete the A and B classes below.
 class A : public WillBeGarbageCollectedMixin {
 };
 
 class B : public NoBaseWillBeGarbageCollected<B>, public A {
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(B);
 public:
     DEFINE_INLINE_TRACE() { }
@@ skipping 1387 matching lines @@
         EXPECT_EQ(0ul, visitor.count());
         Heap::checkAndMarkPointer(&visitor, largeObjectAddress);
         Heap::checkAndMarkPointer(&visitor, largeObjectEndAddress);
         EXPECT_EQ(0ul, visitor.count());
     }
     // This round of GC is important to make sure that the object start
     // bitmap are cleared out and that the free lists are rebuild.
     clearOutOldGarbage();
 }
 
-TEST(HeapTest, VisitOffHeapCollections)
-{
-    clearOutOldGarbage();
-    IntWrapper::s_destructorCalls = 0;
-    Persistent<OffHeapContainer> container = OffHeapContainer::create();
-    Heap::collectGarbage(ThreadState::NoHeapPointersOnStack, ThreadState::GCWithSweep, Heap::ForcedGC);
-    EXPECT_EQ(0, IntWrapper::s_destructorCalls);
-    container = nullptr;
-    Heap::collectGarbage(ThreadState::NoHeapPointersOnStack, ThreadState::GCWithSweep, Heap::ForcedGC);
-    EXPECT_EQ(OffHeapContainer::deadWrappers, IntWrapper::s_destructorCalls);
-}
-
 TEST(HeapTest, PersistentHeapCollectionTypes)
 {
     IntWrapper::s_destructorCalls = 0;
 
     typedef HeapVector<Member<IntWrapper>> Vec;
     typedef PersistentHeapVector<Member<IntWrapper>> PVec;
     typedef PersistentHeapHashSet<Member<IntWrapper>> PSet;
     typedef PersistentHeapListHashSet<Member<IntWrapper>> PListSet;
     typedef PersistentHeapLinkedHashSet<Member<IntWrapper>> PLinkedSet;
     typedef PersistentHeapHashMap<Member<IntWrapper>, Member<IntWrapper>> PMap;
@@ skipping 2408 matching lines @@
 {
     Persistent<ClassWithMember> object = ClassWithMember::create();
     EXPECT_EQ(0, object->traceCount());
     TestMixinAllocatingObject* mixin = TestMixinAllocatingObject::create(object.get());
     EXPECT_TRUE(mixin);
     EXPECT_GT(object->traceCount(), 0);
     EXPECT_GT(mixin->traceCount(), 0);
 }
 
 } // namespace blink