Block HTML Imports from loading when inserted via innerHTML.

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Rob Buis (rwlbuis@gmail.com)
  * Copyright (C) 2011 Google 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
@@ skipping 127 matching lines @@
 {
     ASSERT(iconSizes.isEmpty());
     if (value.isEmpty())
         return;
     if (value.is8Bit())
         parseSizes(value.characters8(), value.length(), iconSizes);
     else
         parseSizes(value.characters16(), value.length(), iconSizes);
 }
 
-inline HTMLLinkElement::HTMLLinkElement(Document& document, bool createdByParser)
+inline HTMLLinkElement::HTMLLinkElement(Document& document, bool createdByParser, bool alreadyStarted)
     : HTMLElement(linkTag, document)
     , m_linkLoader(LinkLoader::create(this))
     , m_sizes(DOMSettableTokenList::create(this))
     , m_relList(RelList::create(this))
     , m_createdByParser(createdByParser)
+    , m_alreadyStarted(alreadyStarted)
     , m_isInShadowTree(false)
 {
 }
 
-PassRefPtrWillBeRawPtr<HTMLLinkElement> HTMLLinkElement::create(Document& document, bool createdByParser)
+PassRefPtrWillBeRawPtr<HTMLLinkElement> HTMLLinkElement::create(Document& document, bool createdByParser, bool alreadyStarted)
 {
-    return adoptRefWillBeNoop(new HTMLLinkElement(document, createdByParser));
+    return adoptRefWillBeNoop(new HTMLLinkElement(document, createdByParser, alreadyStarted));
 }
 
 HTMLLinkElement::~HTMLLinkElement()
 {
 #if !ENABLE(OILPAN)
     m_sizes->setObserver(nullptr);
     m_link.clear();
     if (inDocument())
         document().styleEngine().removeStyleSheetCandidateNode(this);
     linkLoadEventSender().cancelEvent(this);
@@ skipping 617 matching lines @@
 }
 
 DEFINE_TRACE(LinkStyle)
 {
     visitor->trace(m_sheet);
     LinkResource::trace(visitor);
     ResourceOwner<StyleSheetResource>::trace(visitor);
 }
 
 } // namespace blink