Have InputType factories take an HTMLInputElement reference in parameter

Source/core/html/forms/ColorInputType.h

Index: Source/core/html/forms/ColorInputType.h
diff --git a/Source/core/html/forms/ColorInputType.h b/Source/core/html/forms/ColorInputType.h
index 3d7340f37e101ee5dfe11c1a3ec22638f4e305e7..5c65c2bd733ed3a58d686ff7365c14451e7f2eeb 100644
--- a/Source/core/html/forms/ColorInputType.h
+++ b/Source/core/html/forms/ColorInputType.h
@@ -38,7 +38,7 @@ namespace WebCore {
 
 class ColorInputType : public BaseClickableWithKeyInputType, public ColorChooserClient {
 public:
-    static PassRefPtr<InputType> create(HTMLInputElement*);
+    static PassRefPtr<InputType> create(HTMLInputElement&);
     virtual ~ColorInputType();
 
     // ColorChooserClient implementation.
@@ -50,7 +50,7 @@ public:
     virtual Vector<Color> suggestions() const OVERRIDE;
 
 private:
-    ColorInputType(HTMLInputElement* element) : BaseClickableWithKeyInputType(element) { }
+    ColorInputType(HTMLInputElement& element) : BaseClickableWithKeyInputType(element) { }
     virtual void countUsage() OVERRIDE;
     virtual bool isColorControl() const OVERRIDE;
     virtual const AtomicString& formControlType() const OVERRIDE;