CSP: Fire 'SecurityPolicyViolation' on the offending element.

third_party/WebKit/Source/core/html/HTMLMetaElement.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, 2010 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
  * version 2 of the License, or (at your option) any later version.
@@ skipping 479 matching lines @@
 
   // Get the document to process the tag, but only if we're actually part of DOM
   // tree (changing a meta tag while it's not in the tree shouldn't have any
   // effect on the document).
 
   const AtomicString& httpEquivValue = fastGetAttribute(http_equivAttr);
   if (httpEquivValue.isEmpty())
     return;
 
   HttpEquiv::process(document(), httpEquivValue, contentValue,
-                     inDocumentHead(this));
+                     inDocumentHead(this), this);
 }
 
 WTF::TextEncoding HTMLMetaElement::computeEncoding() const {
   HTMLAttributeList attributeList;
   for (const Attribute& attr : attributes())
     attributeList.append(
         std::make_pair(attr.name().localName(), attr.value().getString()));
   return encodingFromMetaAttributes(attributeList);
 }
 
 const AtomicString& HTMLMetaElement::content() const {
   return getAttribute(contentAttr);
 }
 
 const AtomicString& HTMLMetaElement::httpEquiv() const {
   return getAttribute(http_equivAttr);
 }
 
 const AtomicString& HTMLMetaElement::name() const {
   return getNameAttribute();
 }
 }