Drop Element::isHTMLFrameElementBase() virtual function

Source/web/WebFrameImpl.cpp

 /*
  * Copyright (C) 2009 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 114 matching lines @@
 #include "core/editing/SpellChecker.h"
 #include "core/editing/TextAffinity.h"
 #include "core/editing/TextIterator.h"
 #include "core/editing/htmlediting.h"
 #include "core/editing/markup.h"
 #include "core/frame/Console.h"
 #include "core/frame/DOMWindow.h"
 #include "core/frame/FrameView.h"
 #include "core/html/HTMLCollection.h"
 #include "core/html/HTMLFormElement.h"
+#include "core/html/HTMLFrameElementBase.h"
 #include "core/html/HTMLFrameOwnerElement.h"
 #include "core/html/HTMLHeadElement.h"
 #include "core/html/HTMLInputElement.h"
 #include "core/html/HTMLLinkElement.h"
 #include "core/html/PluginDocument.h"
 #include "core/inspector/InspectorController.h"
 #include "core/inspector/ScriptCallStack.h"
 #include "core/loader/DocumentLoader.h"
 #include "core/loader/FrameLoadRequest.h"
 #include "core/loader/FrameLoader.h"
@@ skipping 2074 matching lines @@
         return 0;
     FrameLoaderClient* client = frame->loader().client();
     if (!client || !client->isFrameLoaderClientImpl())
         return 0;
     return toFrameLoaderClientImpl(client)->webFrame();
 }
 
 WebFrameImpl* WebFrameImpl::fromFrameOwnerElement(Element* element)
 {
     // FIXME: Why do we check specifically for <iframe> and <frame> here? Why can't we get the WebFrameImpl from an <object> element, for example.
-    if (!element || !element->isFrameOwnerElement() || (!isHTMLIFrameElement(*element) && !isHTMLFrameElement(*element)))
+    if (!isHTMLFrameElementBase(element))
         return 0;
-    return fromFrame(toHTMLFrameOwnerElement(element)->contentFrame());
+    return fromFrame(toHTMLFrameElementBase(element)->contentFrame());
 }
 
 WebViewImpl* WebFrameImpl::viewImpl() const
 {
     if (!frame())
         return 0;
     return WebViewImpl::fromPage(frame()->page());
 }
 
 WebDataSourceImpl* WebFrameImpl::dataSourceImpl() const
@@ skipping 243 matching lines @@
 
         // There is a possibility that the frame being detached was the only
         // pending one. We need to make sure final replies can be sent.
         flushCurrentScopingEffort(m_findRequestIdentifier);
 
         cancelPendingScopingEffort();
     }
 }
 
 } // namespace blink