Fix hard-coding of "about:srcdoc"

third_party/WebKit/Source/core/html/HTMLFrameElementBase.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Simon Hausmann (hausmann@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2006, 2008, 2009 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 93 matching lines @@
     // Don't notify about updates if contentFrame() is null, for example when
     // the subframe hasn't been created yet.
     if (contentFrame())
         document().frame()->loader().client()->didChangeFrameOwnerProperties(this);
 }
 
 void HTMLFrameElementBase::parseAttribute(const QualifiedName& name, const AtomicString& value)
 {
     if (name == srcdocAttr) {
         if (!value.isNull()) {
-            setLocation("about:srcdoc");
+            setLocation(srcdocURL().string());
         } else {
             const AtomicString& srcValue = fastGetAttribute(srcAttr);
             if (!srcValue.isNull())
                 setLocation(stripLeadingAndTrailingHTMLSpaces(srcValue));
         }
     } else if (name == srcAttr && !fastHasAttribute(srcdocAttr)) {
         setLocation(stripLeadingAndTrailingHTMLSpaces(value));
     } else if (name == idAttr) {
         // Important to call through to base for the id attribute so the hasID bit gets set.
         HTMLFrameOwnerElement::parseAttribute(name, value);
@@ skipping 124 matching lines @@
     frameOwnerPropertiesChanged();
 }
 
 void HTMLFrameElementBase::setMarginHeight(int marginHeight)
 {
     m_marginHeight = marginHeight;
     frameOwnerPropertiesChanged();
 }
 
 } // namespace blink