Fix template angle bracket syntax

Source/wtf/TypeTraits.h

  /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2009, 2010 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 351 matching lines @@
 
 // Convenience template wrapping the NeedsTracingLazily template in
 // Collection Traits. It helps make the code more readable.
 template<typename Traits>
 class ShouldBeTraced {
 public:
     static const bool value = Traits::template NeedsTracingLazily<>::value;
 };
 
 template<typename T, typename U>
-struct NeedsTracing<std::pair<T, U> > {
+struct NeedsTracing<std::pair<T, U>> {
     static const bool value = NeedsTracing<T>::value || NeedsTracing<U>::value || IsWeak<T>::value || IsWeak<U>::value;
 };
 
 } // namespace WTF
 
 #endif // TypeTraits_h