core: Include wtf files using "wtf/foo.h" form.

Source/core/workers/WorkerEventQueue.h

 /*
  * Copyright (C) 2010 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 10 matching lines @@
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  */
 
 #ifndef WorkerEventQueue_h
 #define WorkerEventQueue_h
 
 #include "core/dom/EventQueue.h"
-#include <wtf/HashMap.h>
-#include <wtf/HashSet.h>
-#include <wtf/PassOwnPtr.h>
-#include <wtf/RefCounted.h>
+#include "wtf/HashMap.h"
+#include "wtf/HashSet.h"
+#include "wtf/PassOwnPtr.h"
+#include "wtf/RefCounted.h"
 
 namespace WebCore {
 
 class Event;
 class Node;
 class ScriptExecutionContext;
 
 class WorkerEventQueue : public EventQueue {
     WTF_MAKE_FAST_ALLOCATED;
 public:
@@ skipping 14 matching lines @@
     bool m_isClosed;
 
     class EventDispatcherTask;
     typedef HashMap<RefPtr<Event>, EventDispatcherTask*> EventTaskMap;
     EventTaskMap m_eventTaskMap;
 };
 
 }
 
 #endif // WorkerEventQueue_h