Use C++11 features in core/html

Source/core/html/canvas/HitRegion.h

Index: Source/core/html/canvas/HitRegion.h
diff --git a/Source/core/html/canvas/HitRegion.h b/Source/core/html/canvas/HitRegion.h
index 831daeeb40fbea3bac8d6cb01455a49acbcd3566..5af72478c3c6bccaa83cb51a7c75fcf7cbd2988e 100644
--- a/Source/core/html/canvas/HitRegion.h
+++ b/Source/core/html/canvas/HitRegion.h
@@ -73,10 +73,10 @@ public:
 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;