Implement a part of ProcessingInstruction by using PrivateScript

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/)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 82 matching lines @@
 static inline AtomicString toAtomicString(const xmlChar* string, size_t length)
 {
     return AtomicString::fromUTF8(reinterpret_cast<const char*>(string), length);
 }
 
 static inline AtomicString toAtomicString(const xmlChar* string)
 {
     return AtomicString::fromUTF8(reinterpret_cast<const char*>(string));
 }
 
+static bool xsltTransformed(Document* document)
+{
+    if (!RuntimeEnabledFeatures::xsltInPrivateScriptEnabled())
+        return document->transformSourceDocument();
+
+    bool xsltTransformed;
+    if (!V8Document::PrivateScript::xsltTransformedMethod(document->frame(), document, &xsltTransformed))
+        return false;
+    return xsltTransformed;
+}
+
 static inline bool hasNoStyleInformation(Document* document)
 {
-    if (document->sawElementsInKnownNamespaces() || document->transformSourceDocument())
+    if (document->sawElementsInKnownNamespaces() || xsltTransformed(document))
         return false;
 
     if (!document->frame() || !document->frame()->page())
         return false;
 
     if (document->frame()->tree().parent())
         return false; // This document is not in a top frame
 
     if (SVGImage::isInSVGImage(document))
         return false;
@@ skipping 1033 matching lines @@
 
     pi->setCreatedByParser(false);
 
     if (pi->isCSS())
         m_sawCSS = true;
 
     if (!RuntimeEnabledFeatures::xsltEnabled())
         return;
 
     m_sawXSLTransform = !m_sawFirstElement && pi->isXSL();
-    if (m_sawXSLTransform && !document()->transformSourceDocument()) {
+    if (m_sawXSLTransform && !xsltTransformed(document())) {
         // This behavior is very tricky. We call stopParsing() here because we
         // want to stop processing the document until we're ready to apply the
         // transform, but we actually still want to be fed decoded string pieces
         // to accumulate in m_originalSourceForTransform. So, we call
         // stopParsing() here and check isStopped() in element callbacks.
         // FIXME: This contradicts the contract of DocumentParser.
         stopParsing();
     }
 }
 
@@ skipping 465 matching lines @@
     sax.initialized = XML_SAX2_MAGIC;
     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