Replace elementHasLegalLinkAttribute() helper with virtual function

Source/web/WebPageSerializerImpl.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 60 matching lines @@
 // base tags and append new base tag after each old base tag because we do not
 // know those old base tags are original content or added by JavaScript. If
 // they are added by JavaScript, it means when loading saved page, the script(s)
 // will still insert base tag(s) to DOM, so the new added base tag(s) can
 // override the incorrect base URL and make sure we alway load correct local
 // saved resource files.
 
 #include "config.h"
 #include "WebPageSerializerImpl.h"
 
-#include "DOMUtilitiesPrivate.h"
 #include "HTMLNames.h"
 #include "WebFrameImpl.h"
 #include "core/dom/Document.h"
 #include "core/dom/DocumentType.h"
 #include "core/dom/Element.h"
 #include "core/editing/markup.h"
 #include "core/html/HTMLAllCollection.h"
 #include "core/html/HTMLElement.h"
 #include "core/html/HTMLFormElement.h"
 #include "core/html/HTMLHtmlElement.h"
@@ skipping 218 matching lines @@
             // Add attribute pair
             const Attribute& attribute = element->attributeItem(i);
             result.append(attribute.name().toString());
             result.appendLiteral("=\"");
             if (!attribute.value().isEmpty()) {
                 const String& attrValue = attribute.value();
 
                 // Check whether we need to replace some resource links
                 // with local resource paths.
                 const QualifiedName& attrName = attribute.name();
-                if (elementHasLegalLinkAttribute(element, attrName)) {
+                if (element->hasLegalLinkAttribute(attrName)) {
                     // For links start with "javascript:", we do not change it.
                     if (attrValue.startsWith("javascript:", false))
                         result.append(attrValue);
                     else {
                         // Get the absolute link
                         WebFrameImpl* subFrame = WebFrameImpl::fromFrameOwnerElement(element);
                         String completeURL = subFrame ? subFrame->frame()->document()->url() :
                                                         param->document->completeURL(attrValue);
                         // Check whether we have local files for those link.
                         if (m_localLinks.contains(completeURL)) {
@@ skipping 185 matching lines @@
 
         encodeAndFlushBuffer(WebPageSerializerClient::CurrentFrameIsFinished, &param, ForceFlush);
     }
 
     ASSERT(m_dataBuffer.isEmpty());
     m_client->didSerializeDataForFrame(KURL(), WebCString("", 0), WebPageSerializerClient::AllFramesAreFinished);
     return didSerialization;
 }
 
 }  // namespace blink