Use C++11 features in core/html

Source/core/html/canvas/HitRegion.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef HitRegion_h
 #define HitRegion_h
 
 #include "bindings/core/v8/Dictionary.h"
 #include "core/dom/Element.h"
 #include "core/html/canvas/HitRegionOptions.h"
@@ skipping 55 matching lines @@
     HitRegion* getHitRegionByControl(Element*) const;
     HitRegion* getHitRegionAtPoint(const LayoutPoint&) const;
 
     unsigned getHitRegionsCount() const;
 
     void trace(Visitor*);
 
 private:
     HitRegionManager() { }
 
-    typedef WillBeHeapListHashSet<RefPtrWillBeMember<HitRegion> > HitRegionList;
+    typedef WillBeHeapListHashSet<RefPtrWillBeMember<HitRegion>> HitRegionList;
     typedef HitRegionList::const_reverse_iterator HitRegionIterator;
-    typedef WillBeHeapHashMap<String, RefPtrWillBeMember<HitRegion> > HitRegionIdMap;
-    typedef WillBeHeapHashMap<RefPtrWillBeMember<Element>, RefPtrWillBeMember<HitRegion> > HitRegionControlMap;
+    typedef WillBeHeapHashMap<String, RefPtrWillBeMember<HitRegion>> HitRegionIdMap;
+    typedef WillBeHeapHashMap<RefPtrWillBeMember<Element>, RefPtrWillBeMember<HitRegion>> HitRegionControlMap;
 
     HitRegionList m_hitRegionList;
     HitRegionIdMap m_hitRegionIdMap;
     HitRegionControlMap m_hitRegionControlMap;
 };
 
 } // namespace blink
 
 #endif