Oilpan: support eager tracing of objects when marking.

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 943 matching lines @@
     private:
 
 #define DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(type) \
     type::~type() { }
 
 #define DEFINE_STATIC_REF_WILL_BE_PERSISTENT(type, name, arguments) \
     DEFINE_STATIC_REF(type, name, arguments)
 
 #endif // ENABLE(OILPAN)
 
+template<typename T>
+class TraceEagerlyTrait<Member<T>> {
+public:
+    static const bool value = TraceEagerlyTrait<T>::value;
+};
+
+template<typename T>
+class TraceEagerlyTrait<WeakMember<T>> {
+public:
+    static const bool value = TraceEagerlyTrait<T>::value;
+};
+
+template<typename T>
+class TraceEagerlyTrait<Persistent<T>> {
+public:
+    static const bool value = TraceEagerlyTrait<T>::value;
+};
+
+template<typename T>
+class TraceEagerlyTrait<CrossThreadPersistent<T>> {
+public:
+    static const bool value = TraceEagerlyTrait<T>::value;
+};
+
+template<typename T, typename U, typename V, typename W, typename X>
+class TraceEagerlyTrait<HeapHashMap<T, U, V, W, X> > {
+public:
+    static const bool value = IS_EAGERLY_TRACED_HEAP_COLLECTION(T) || IS_EAGERLY_TRACED_HEAP_COLLECTION(U);
+};
+
+template<typename T, typename U, typename V>
+class TraceEagerlyTrait<HeapHashSet<T, U, V> > {
+public:
+    static const bool value = IS_EAGERLY_TRACED_HEAP_COLLECTION(T);
+};
+
+template<typename T, typename U, typename V>
+class TraceEagerlyTrait<HeapLinkedHashSet<T, U, V> > {
+public:
+    static const bool value = IS_EAGERLY_TRACED_HEAP_COLLECTION(T);
+};
+
+template<typename T, size_t inlineCapacity, typename U>
+class TraceEagerlyTrait<HeapListHashSet<T, inlineCapacity, U> > {
+public:
+    static const bool value = IS_EAGERLY_TRACED_HEAP_COLLECTION(T);
+};
+
+template<typename T, size_t inlineCapacity>
+class TraceEagerlyTrait<HeapVector<T, inlineCapacity> > {
+public:
+    static const bool value = IS_EAGERLY_TRACED_HEAP_COLLECTION(T);
+};
+
+template<typename T, typename U>
+class TraceEagerlyTrait<HeapVectorBacking<T, U> > {
+public:
+    static const bool value = IS_EAGERLY_TRACED_HEAP_COLLECTION(T);
+};
+
+template<typename T, size_t inlineCapacity>
+class TraceEagerlyTrait<HeapDeque<T, inlineCapacity> > {
+public:
+    static const bool value = IS_EAGERLY_TRACED_HEAP_COLLECTION(T);
+};
+
+template<typename T, typename U, typename V>
+class TraceEagerlyTrait<HeapHashCountedSet<T, U, V> > {
+public:
+    static const bool value = IS_EAGERLY_TRACED_HEAP_COLLECTION(T);
+};
+
 } // namespace blink
 
 namespace WTF {
 
 template <typename T> struct VectorTraits<blink::Member<T> > : VectorTraitsBase<blink::Member<T> > {
     static const bool needsDestruction = false;
     static const bool canInitializeWithMemset = true;
     static const bool canMoveWithMemcpy = true;
 };
 
@@ skipping 177 matching lines @@
 template<typename T>
 struct ParamStorageTraits<RawPtr<T> > : public PointerParamStorageTraits<T*, blink::IsGarbageCollectedType<T>::value> {
 };
 
 template<typename T>
 PassRefPtr<T> adoptRef(blink::RefCountedGarbageCollected<T>*) = delete;
 
 } // namespace WTF
 
 #endif