Set view source without creating a unique origin in XMLDocumentParser

third_party/WebKit/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.
@@ skipping 2369 matching lines @@
 
 void Document::setIsViewSource(bool isViewSource) {
   m_isViewSource = isViewSource;
   if (!m_isViewSource)
     return;
 
   setSecurityOrigin(SecurityOrigin::createUnique());
   didUpdateSecurityOrigin();
 }
 
+void Document::setIsViewSourceWithoutUniqueOrigin() {
+  m_isViewSource = true;
+}
+
 void Document::scheduleUseShadowTreeUpdate(SVGUseElement& element) {
   m_useElementsNeedingUpdate.insert(&element);
   scheduleLayoutTreeUpdateIfNeeded();
 }
 
 void Document::unscheduleUseShadowTreeUpdate(SVGUseElement& element) {
   m_useElementsNeedingUpdate.erase(&element);
 }
 
 void Document::updateUseShadowTreesIfNeeded() {
@@ skipping 3216 matching lines @@
       addConsoleMessage(ConsoleMessage::create(
           SecurityMessageSource, ErrorMessageLevel,
           "Blocked script execution in '" + url().elidedString() +
               "' because the document's frame is sandboxed and the "
               "'allow-scripts' permission is not set."));
     }
     return false;
   }
 
   if (isViewSource()) {
-    DCHECK(getSecurityOrigin()->isUnique());
     return true;
   }
 
   DCHECK(frame())
       << "you are querying canExecuteScripts on a non contextDocument.";
 
   LocalFrameClient* client = frame()->loader().client();
   if (!client)
     return false;
 
@@ skipping 1041 matching lines @@
 }
 
 void showLiveDocumentInstances() {
   WeakDocumentSet& set = liveDocumentSet();
   fprintf(stderr, "There are %u documents currently alive:\n", set.size());
   for (blink::Document* document : set)
     fprintf(stderr, "- Document %p URL: %s\n", document,
             document->url().getString().utf8().data());
 }
 #endif