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

Source/WebKit/chromium/src/ContextMenuClientImpl.cpp

 /*
  * Copyright (C) 2009, 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 320 matching lines @@
                     m_webView->spellCheckClient()->spellCheck(
                         data.misspelledWord, misspelledOffset, misspelledLength,
                         &data.dictionarySuggestions);
                     if (!misspelledLength)
                         data.misspelledWord.reset();
                 }
             }
         }
         HTMLFormElement* form = selectedFrame->selection()->currentForm();
         if (form && r.innerNonSharedNode()->hasTagName(HTMLNames::inputTag)) {
-            HTMLInputElement* selectedElement = static_cast<HTMLInputElement*>(r.innerNonSharedNode());
+            Handle<HTMLInputElement> selectedElement(static_cast<HTMLInputElement*>(r.innerNonSharedNode()));
             if (selectedElement) {
                 WebSearchableFormData ws = WebSearchableFormData(WebFormElement(form), WebInputElement(selectedElement));
                 if (ws.url().isValid())
                     data.keywordURL = ws.url();
             }
         }
     }
 
 #if OS(DARWIN)
     if (selectedFrame->editor()->selectionHasStyle(CSSPropertyDirection, "ltr") != FalseTriState)
@@ skipping 58 matching lines @@
         outputItems[i] = subItems[i];
     subMenuItems.swap(outputItems);
 }
 
 void ContextMenuClientImpl::populateCustomMenuItems(WebCore::ContextMenu* defaultMenu, WebContextMenuData* data)
 {
     populateSubMenuItems(defaultMenu->items(), data->customItems);
 }
 
 } // namespace WebKit