Fix template angle bracket syntax in core

Source/core/dom/custom/CustomElementCallbackQueue.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:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 53 matching lines @@
 
     void append(PassOwnPtrWillBeRawPtr<CustomElementProcessingStep> invocation) { m_queue.append(invocation); }
     bool inCreatedCallback() const { return m_inCreatedCallback; }
 
     DECLARE_TRACE();
 
 private:
     explicit CustomElementCallbackQueue(PassRefPtrWillBeRawPtr<Element>);
 
     RefPtrWillBeMember<Element> m_element;
-    WillBeHeapVector<OwnPtrWillBeMember<CustomElementProcessingStep> > m_queue;
+    WillBeHeapVector<OwnPtrWillBeMember<CustomElementProcessingStep>> m_queue;
     ElementQueueId m_owner;
     size_t m_index;
     bool m_inCreatedCallback;
 };
 
 } // namespace blink
 
 #endif // CustomElementCallbackQueue_h