[oilpan] Completely move HTMLFormControlElement's hierarchy to the managed heap

Source/core/html/ColorInputType.h

Index: Source/core/html/ColorInputType.h
diff --git a/Source/core/html/ColorInputType.h b/Source/core/html/ColorInputType.h
index 79477dd8cc423de6d7fb1926274dcd647549e827..33eb8ab7b2d2715611923c8c7e4d2906c18e2e84 100644
--- a/Source/core/html/ColorInputType.h
+++ b/Source/core/html/ColorInputType.h
@@ -39,7 +39,7 @@ namespace WebCore {
 
 class ColorInputType : public BaseClickableWithKeyInputType, public ColorChooserClient {
 public:
-    static PassOwnPtr<InputType> create(HTMLInputElement*);
+    static PassOwnPtr<InputType> create(Handle<HTMLInputElement>);
     virtual ~ColorInputType();
 
     // ColorChooserClient implementation.
@@ -51,7 +51,7 @@ public:
     virtual Vector<Color> suggestions() const OVERRIDE;
 
 private:
-    ColorInputType(HTMLInputElement* element) : BaseClickableWithKeyInputType(element) { }
+    ColorInputType(Handle<HTMLInputElement> element) : BaseClickableWithKeyInputType(element) { }
     virtual void attach() OVERRIDE;
     virtual bool isColorControl() const OVERRIDE;
     virtual const AtomicString& formControlType() const OVERRIDE;