Simpler return value of HashTable::add/HashMap:add and others

Source/core/dom/Document.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 4725 matching lines @@
 {
     HTMLCanvasElement* element = getCSSCanvasElement(name);
     if (!element)
         return 0;
     element->setSize(IntSize(width, height));
     return element->getContext(type);
 }
 
 HTMLCanvasElement* Document::getCSSCanvasElement(const String& name)
 {
-    RefPtr<HTMLCanvasElement>& element = m_cssCanvasElements.add(name, 0).iterator->value;
+    RefPtr<HTMLCanvasElement>& element = m_cssCanvasElements.add(name, 0).storedValue->value;
     if (!element) {
         element = HTMLCanvasElement::create(*this);
         element->setAccelerationDisabled(true);
     }
     return element.get();
 }
 
 void Document::initDNSPrefetch()
 {
     Settings* settings = this->settings();
@@ skipping 562 matching lines @@
     return m_styleEngine->haveStylesheetsLoaded();
 }
 
 Locale& Document::getCachedLocale(const AtomicString& locale)
 {
     AtomicString localeKey = locale;
     if (locale.isEmpty() || !RuntimeEnabledFeatures::langAttributeAwareFormControlUIEnabled())
         return Locale::defaultLocale();
     LocaleIdentifierToLocaleMap::AddResult result = m_localeCache.add(localeKey, nullptr);
     if (result.isNewEntry)
-        result.iterator->value = Locale::create(localeKey);
-    return *(result.iterator->value);
+        result.storedValue->value = Locale::create(localeKey);
+    return *(result.storedValue->value);
 }
 
 Document& Document::ensureTemplateDocument()
 {
     if (isTemplateDocument())
         return *this;
 
     if (m_templateDocument)
         return *m_templateDocument;
 
@@ skipping 120 matching lines @@
 void Document::defaultEventHandler(Event* event)
 {
     if (frame() && frame()->remotePlatformLayer()) {
         frame()->chromeClient().forwardInputEvent(this, event);
         return;
     }
     Node::defaultEventHandler(event);
 }
 
 } // namespace WebCore