Set view source without creating a unique origin in XMLDocumentParser

third_party/WebKit/Source/core/xml/parser/XMLDocumentParser.cpp

 /*
  * Copyright (C) 2000 Peter Kelly (pmk@post.com)
  * Copyright (C) 2005, 2006, 2008, 2014 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2007 Samuel Weinig (sam@webkit.org)
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2008 Holger Hans Peter Freyther
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
  *
@@ skipping 1530 matching lines @@
         finishParsing(context());
       }
 
       m_context = nullptr;
     }
   }
 
   bool xmlViewerMode = !m_sawError && !m_sawCSS && !m_sawXSLTransform &&
                        hasNoStyleInformation(document());
   if (xmlViewerMode) {
-    document()->setIsViewSource(true);
+    if (document()->canExecuteScripts(NotAboutToExecuteScript))

[jochen (gone - plz use gerrit), 2017/03/14 20:13:53]

why this if ()?

[adithyas, 2017/03/14 20:55:15]

I thought we still need the unique origin when script is disabled (which what
this patch tried to do I think:
https://chromium.googlesource.com/chromium/src/+/c92a57f13f7b09b68e5c0534129f...).

+      document()->setIsViewSourceWithoutUniqueOrigin();
+    else
+      document()->setIsViewSource(true);
     transformDocumentToXMLTreeView(*document());
   } else if (m_sawXSLTransform) {
     xmlDocPtr doc =
         xmlDocPtrForString(document(), m_originalSourceForTransform.toString(),
                            document()->url().getString());
     document()->setTransformSource(WTF::makeUnique<TransformSource>(doc));
     DocumentParser::stopParsing();
   }
 }
 
@@ skipping 149 matching lines @@
   RefPtr<XMLParserContext> parser =
       XMLParserContext::createStringParser(&sax, &state);
   String parseString = "<?xml version=\"1.0\"?><attrs " + string + " />";
   parseChunk(parser->context(), parseString);
   finishParsing(parser->context());
   attrsOK = state.gotAttributes;
   return state.attributes;
 }
 
 }  // namespace blink