Remove HasInlinedTraceMethod<T>.

Source/wtf/Deque.h

 /*
  * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2009 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 94 matching lines @@
         void removeFirst();
         void removeLast();
         void remove(iterator&);
         void remove(const_iterator&);
 
         void clear();
 
         template<typename Predicate>
         iterator findIf(Predicate&);
 
-        typedef int HasInlinedTraceMethodMarker;
         template<typename VisitorDispatcher> void trace(VisitorDispatcher);
 
     private:
         friend class DequeIteratorBase<T, inlineCapacity, Allocator>;
 
         typedef VectorBuffer<T, INLINE_CAPACITY, Allocator> Buffer;
         typedef VectorTypeOperations<T> TypeOperations;
         typedef DequeIteratorBase<T, inlineCapacity, Allocator> IteratorBase;
 
         void remove(size_t position);
@@ skipping 440 matching lines @@
     struct NeedsTracing<Deque<T, N>> {
         static const bool value = false;
     };
 #endif
 
 } // namespace WTF
 
 using WTF::Deque;
 
 #endif // WTF_Deque_h