Oilpan: fix gc_tracing compilation after r173313.

Source/platform/heap/Heap.h

 /*
  * 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 1713 matching lines @@
 #endif
         };
         return &info;
     }
 };
 
 template<typename ValueArg, size_t inlineCapacity, typename U>
 struct GCInfoTrait<ListHashSet<ValueArg, inlineCapacity, U, HeapListHashSetAllocator<ValueArg, inlineCapacity> > > {
     static const GCInfo* get()
     {
+        typedef WTF::ListHashSet<ValueArg, inlineCapacity, U, HeapListHashSetAllocator<ValueArg, inlineCapacity> > TargetType;
         static const GCInfo info = {
-            TraceTrait<ListHashSet<ValueArg, inlineCapacity, U, HeapListHashSetAllocator<ValueArg, inlineCapacity> > >::trace,
+            TraceTrait<TargetType>::trace,
             0,
-            false // ListHashSet needs no finalization though its backing might.
+            false, // ListHashSet needs no finalization though its backing might.
+            false, // no vtable.
+#if ENABLE(GC_TRACING)
+            TypenameStringTrait<TargetType>::get()
+#endif
         };
         return &info;
     }
 };
 
 template<typename T, typename Allocator>
 struct GCInfoTrait<WTF::ListHashSetNode<T, Allocator> > {
     static const GCInfo* get()
     {
+        typedef WTF::ListHashSetNode<T, Allocator> TargetType;
         static const GCInfo info = {
-            TraceTrait<WTF::ListHashSetNode<T, Allocator> >::trace,
-            WTF::ListHashSetNode<T, Allocator>::finalize,
-            WTF::HashTraits<T>::needsDestruction // The node needs destruction if its data does.
+            TraceTrait<TargetType>::trace,
+            TargetType::finalize,
+            WTF::HashTraits<T>::needsDestruction, // The node needs destruction if its data does.
+            false, // no vtable.
+#if ENABLE(GC_TRACING)
+            TypenameStringTrait<TargetType>::get()
+#endif
         };
         return &info;
     }
 };
 
 template<typename T>
 struct GCInfoTrait<Vector<T, 0, HeapAllocator> > {
     static const GCInfo* get()
     {
 #if ENABLE(GC_TRACING)
@@ skipping 432 matching lines @@
 // to export. This forces it to export all the methods from ThreadHeap.
 template<> void ThreadHeap<FinalizedHeapObjectHeader>::addPageToHeap(const GCInfo*);
 template<> void ThreadHeap<HeapObjectHeader>::addPageToHeap(const GCInfo*);
 extern template class PLATFORM_EXPORT ThreadHeap<FinalizedHeapObjectHeader>;
 extern template class PLATFORM_EXPORT ThreadHeap<HeapObjectHeader>;
 #endif
 
 }
 
 #endif // Heap_h