Use C++11 features in core/html

Source/core/html/HTMLSelectElement.h

Index: Source/core/html/HTMLSelectElement.h
diff --git a/Source/core/html/HTMLSelectElement.h b/Source/core/html/HTMLSelectElement.h
index aea623152725c34452a5b658f45f798798c97277..988f9281aca0322fbe033660d51a3a40961c35f7 100644
--- a/Source/core/html/HTMLSelectElement.h
+++ b/Source/core/html/HTMLSelectElement.h
@@ -84,7 +84,7 @@ public:
     void invalidateSelectedItems();
     void updateListItemSelectedStates();
 
-    const WillBeHeapVector<RawPtrWillBeMember<HTMLElement> >& listItems() const;
+    const WillBeHeapVector<RawPtrWillBeMember<HTMLElement>>& listItems() const;
 
     virtual void accessKeyAction(bool sendMouseEvents) override;
     void accessKeySetSelectedIndex(int);
@@ -214,7 +214,7 @@ private:
     virtual String optionAtIndex(int index) const override;
 
     // m_listItems contains HTMLOptionElement, HTMLOptGroupElement, and HTMLHRElement objects.
-    mutable WillBeHeapVector<RawPtrWillBeMember<HTMLElement> > m_listItems;
+    mutable WillBeHeapVector<RawPtrWillBeMember<HTMLElement>> m_listItems;
     Vector<bool> m_lastOnChangeSelection;
     Vector<bool> m_cachedStateForActiveSelection;
     TypeAhead m_typeAhead;