Have InputType factories take an HTMLInputElement reference in parameter

Source/core/html/forms/FileInputType.h

Index: Source/core/html/forms/FileInputType.h
diff --git a/Source/core/html/forms/FileInputType.h b/Source/core/html/forms/FileInputType.h
index 8a3006556b22ce4fd5e0960c82228337e7d4a088..a91ba75e2be43a2e3ffc924efe5a4f0ada0fd104 100644
--- a/Source/core/html/forms/FileInputType.h
+++ b/Source/core/html/forms/FileInputType.h
@@ -43,11 +43,11 @@ class FileList;
 
 class FileInputType : public BaseClickableWithKeyInputType, private FileChooserClient {
 public:
-    static PassRefPtr<InputType> create(HTMLInputElement*);
+    static PassRefPtr<InputType> create(HTMLInputElement&);
     static Vector<FileChooserFileInfo> filesFromFormControlState(const FormControlState&);
 
 private:
-    FileInputType(HTMLInputElement*);
+    FileInputType(HTMLInputElement&);
     virtual const AtomicString& formControlType() const OVERRIDE;
     virtual FormControlState saveFormControlState() const OVERRIDE;
     virtual void restoreFormControlState(const FormControlState&) OVERRIDE;