Have InputType factories take an HTMLInputElement reference in parameter

Source/core/html/forms/MonthInputType.h

Index: Source/core/html/forms/MonthInputType.h
diff --git a/Source/core/html/forms/MonthInputType.h b/Source/core/html/forms/MonthInputType.h
index 73865bed6d9481e4b47ee7a84c36b6970f08a2d5..c440d3230aa43ecfdc6fcf96f905154ae8d7843a 100644
--- a/Source/core/html/forms/MonthInputType.h
+++ b/Source/core/html/forms/MonthInputType.h
@@ -44,10 +44,10 @@ typedef BaseChooserOnlyDateAndTimeInputType BaseMonthInputType;
 
 class MonthInputType : public BaseMonthInputType {
 public:
-    static PassRefPtr<InputType> create(HTMLInputElement*);
+    static PassRefPtr<InputType> create(HTMLInputElement&);
 
 private:
-    MonthInputType(HTMLInputElement* element) : BaseMonthInputType(element) { }
+    MonthInputType(HTMLInputElement& element) : BaseMonthInputType(element) { }
     virtual void countUsage() OVERRIDE;
     virtual const AtomicString& formControlType() const OVERRIDE;
     virtual DateComponents::Type dateType() const OVERRIDE;