Oilpan: Introduce class MainThreadOnly

Source/platform/heap/Handle.h

 /*
  * Copyright (C) 2014 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 626 matching lines @@
 class CrossThreadPersistent : public Persistent<T, GlobalPersistents> {
     WTF_DISALLOW_CONSTRUCTION_FROM_ZERO(CrossThreadPersistent);
     WTF_DISALLOW_ZERO_ASSIGNMENT(CrossThreadPersistent);
 public:
     CrossThreadPersistent(T* raw) : Persistent<T, GlobalPersistents>(raw) { }
 
     using Persistent<T, GlobalPersistents>::operator=;
 };
 
 // FIXME: derive affinity based on the collection.
-template<typename Collection, ThreadAffinity Affinity = AnyThread>
+template<typename Collection, ThreadAffinity Affinity = AnyThreadAffinity>
 class PersistentHeapCollectionBase
     : public Collection
     , public PersistentBase<ThreadLocalPersistents<Affinity>, PersistentHeapCollectionBase<Collection, Affinity> > {
     // We overload the various new and delete operators with using the WTF DefaultAllocator to ensure persistent
     // heap collections are always allocated off-heap. This allows persistent collections to be used in
     // DEFINE_STATIC_LOCAL et. al.
     WTF_USE_ALLOCATOR(PersistentHeapCollectionBase, WTF::DefaultAllocator);
 public:
     PersistentHeapCollectionBase() { }
 
@@ skipping 691 matching lines @@
 struct ParamStorageTraits<T*> : public PointerParamStorageTraits<T*, blink::IsGarbageCollectedType<T>::value> {
 };
 
 template<typename T>
 struct ParamStorageTraits<RawPtr<T> > : public PointerParamStorageTraits<T*, blink::IsGarbageCollectedType<T>::value> {
 };
 
 } // namespace WTF
 
 #endif