Make InputType and InputTypeView RefCounted.

Source/core/html/HTMLInputElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2007 Samuel Weinig (sam@webkit.org)
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2012 Samsung Electronics. All rights reserved.
@@ skipping 401 matching lines @@
     if (m_inputType->formControlType() == newTypeName)
         return;
 
     if (hadType && !InputType::canChangeFromAnotherType(newTypeName)) {
         // Set the attribute back to the old value.
         // Useful in case we were called from inside parseAttribute.
         setAttribute(typeAttr, type());
         return;
     }
 
-    OwnPtr<InputType> newType = InputType::create(this, newTypeName);
+    RefPtr<InputType> newType = InputType::create(this, newTypeName);
     removeFromRadioButtonGroup();
 
     bool didStoreValue = m_inputType->storesValueSeparateFromAttribute();
     bool didRespectHeightAndWidth = m_inputType->shouldRespectHeightAndWidthAttributes();
 
     m_inputType->destroyShadowSubtree();
 
     bool wasAttached = attached();
     if (wasAttached)
         detach();
@@ skipping 1439 matching lines @@
 }
 
 #if ENABLE(INPUT_MULTIPLE_FIELDS_UI)
 PassRefPtr<RenderStyle> HTMLInputElement::customStyleForRenderer()
 {
     return m_inputType->customStyleForRenderer(originalStyleForRenderer());
 }
 #endif
 
 } // namespace