Rename HTMLInputElement::imageLoader() to ensureImageLoader()

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 131 matching lines @@
 
 void HTMLInputElement::trace(Visitor* visitor)
 {
     visitor->trace(m_inputType);
     visitor->trace(m_inputTypeView);
     visitor->trace(m_listAttributeTargetObserver);
     visitor->trace(m_imageLoader);
     HTMLTextFormControlElement::trace(visitor);
 }
 
-HTMLImageLoader* HTMLInputElement::imageLoader()
+HTMLImageLoader& HTMLInputElement::ensureImageLoader()
 {
     if (!m_imageLoader)
         m_imageLoader = HTMLImageLoader::create(this);
-    return m_imageLoader.get();
+    return *m_imageLoader;
 }
 
 void HTMLInputElement::didAddUserAgentShadowRoot(ShadowRoot&)
 {
     m_inputTypeView->createShadowSubtree();
 }
 
 void HTMLInputElement::willAddFirstAuthorShadowRoot()
 {
     m_inputTypeView->destroyShadowSubtree();
@@ skipping 1308 matching lines @@
 {
     if (insertionPoint->inDocument() && !form())
         removeFromRadioButtonGroup();
     HTMLTextFormControlElement::removedFrom(insertionPoint);
     ASSERT(!inDocument());
     resetListAttributeTargetObserver();
 }
 
 void HTMLInputElement::didMoveToNewDocument(Document& oldDocument)
 {
-    if (hasImageLoader())
+    if (imageLoader())
         imageLoader()->elementDidMoveToNewDocument();
 
     // FIXME: Remove type check.
     if (type() == InputTypeNames::radio)
         oldDocument.formController().radioButtonGroupScope().removeButton(this);
 
     HTMLTextFormControlElement::didMoveToNewDocument(oldDocument);
 }
 
 void HTMLInputElement::removeAllEventListeners()
@@ skipping 351 matching lines @@
 {
     listAttributeTargetChanged();
 }
 
 AXObject* HTMLInputElement::popupRootAXObject()
 {
     return m_inputTypeView->popupRootAXObject();
 }
 
 } // namespace