[K6] Replace bind() + GCed pointers with retainedRef()

third_party/WebKit/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 4950 matching lines @@
 {
     Persistent<HeapHashMap<int, WeakMember<IntWrapper>>> map = new HeapHashMap<int, WeakMember<IntWrapper>>();
     addElementsToWeakMap(map);
     HeapHashMap<int, WeakMember<IntWrapper>>::AddResult result = map->add(800, nullptr);
     conservativelyCollectGarbage();
     result.storedValue->value = IntWrapper::create(42);
 }
 
 TEST(HeapTest, Bind)
 {
-    OwnPtr<SameThreadClosure> closure = bind(static_cast<void (Bar::*)(Visitor*)>(&Bar::trace), Bar::create(), unretained(static_cast<Visitor*>(0)));
+    OwnPtr<SameThreadClosure> closure = bind(static_cast<void (Bar::*)(Visitor*)>(&Bar::trace), retainedRef(Bar::create()), unretained(static_cast<Visitor*>(0)));
     // OffHeapInt* should not make Persistent.
     OwnPtr<SameThreadClosure> closure2 = bind(&OffHeapInt::voidFunction, OffHeapInt::create(1));
     preciselyCollectGarbage();
     // The closure should have a persistent handle to the Bar.
     EXPECT_EQ(1u, Bar::s_live);
 
     UseMixin::s_traceCount = 0;
     Mixin* mixin = UseMixin::create();
-    OwnPtr<SameThreadClosure> mixinClosure = bind(static_cast<void (Mixin::*)(Visitor*)>(&Mixin::trace), mixin, unretained(static_cast<Visitor*>(0)));
+    OwnPtr<SameThreadClosure> mixinClosure = bind(static_cast<void (Mixin::*)(Visitor*)>(&Mixin::trace), retainedRef(mixin), unretained(static_cast<Visitor*>(0)));
     preciselyCollectGarbage();
     // The closure should have a persistent handle to the mixin.
     EXPECT_EQ(1, UseMixin::s_traceCount);
 }
 
 typedef HeapHashSet<WeakMember<IntWrapper>> WeakSet;
 
 // These special traits will remove a set from a map when the set is empty.
 struct EmptyClearingHashSetTraits : HashTraits<WeakSet> {
     static const WTF::WeakHandlingFlag weakHandlingFlag = WTF::WeakHandlingInCollections;
@@ skipping 1562 matching lines @@
         conservativelyCollectGarbage();
         EXPECT_EQ(wrapper, weakWrapper->value());
         // Stub out any stack reference.
         wrapper = nullptr;
     }
     preciselyCollectGarbage();
     EXPECT_EQ(nullptr, weakWrapper->value());
 }
 
 } // namespace blink