Use Referrer-Policy headers for CSS stylesheets

third_party/WebKit/Source/core/dom/ProcessingInstruction.h

 /*
  * Copyright (C) 2000 Peter Kelly (pmk@post.com)
  * Copyright (C) 2006 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 69 matching lines @@
   Node* cloneNode(bool deep, ExceptionState&) override;
 
   InsertionNotificationRequest insertedInto(ContainerNode*) override;
   void removedFrom(ContainerNode*) override;
 
   bool checkStyleSheet(String& href, String& charset);
   void process(const String& href, const String& charset);
 
   void setCSSStyleSheet(const String& href,
                         const KURL& baseURL,
+                        ReferrerPolicy,
                         const String& charset,
                         const CSSStyleSheetResource*) override;
   void setXSLStyleSheet(const String& href,
                         const KURL& baseURL,
                         const String& sheet) override;
 
   bool sheetLoaded() override;
 
   void parseStyleSheet(const String& sheet);
   void clearSheet();
@@ skipping 18 matching lines @@
                        getNodeType() == Node::kProcessingInstructionNode);
 
 inline bool isXSLStyleSheet(const Node& node) {
   return node.getNodeType() == Node::kProcessingInstructionNode &&
          toProcessingInstruction(node).isXSL();
 }
 
 }  // namespace blink
 
 #endif  // ProcessingInstruction_h