Set referrer for CSS resources

Source/core/css/CSSParserMode.cpp

 /*
  * Copyright (C) 2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved.
  * Copyright (C) 2012 Intel Corporation. All rights reserved.
  *
@@ skipping 26 matching lines @@
     , m_isHTMLDocument(false)
     , m_useLegacyBackgroundSizeShorthandBehavior(false)
     , m_useCounter(useCounter)
 {
 }
 
 CSSParserContext::CSSParserContext(const Document& document, UseCounter* useCounter, const KURL& baseURL, const String& charset)
     : m_baseURL(baseURL.isNull() ? document.baseURL() : baseURL)
     , m_charset(charset)
     , m_mode(document.inQuirksMode() ? HTMLQuirksMode : HTMLStandardMode)
+    , m_referrer(m_baseURL.strippedForUseAsReferrer(), document.referrerPolicy())
     , m_isHTMLDocument(document.isHTMLDocument())
     , m_useLegacyBackgroundSizeShorthandBehavior(document.settings() ? document.settings()->useLegacyBackgroundSizeShorthandBehavior() : false)
     , m_useCounter(useCounter)
 {
 }
 
 CSSParserContext::CSSParserContext(const CSSParserContext& other, UseCounter* useCounter)
     : m_baseURL(other.m_baseURL)
     , m_charset(other.m_charset)
     , m_mode(other.m_mode)
+    , m_referrer(other.m_referrer)
     , m_isHTMLDocument(other.m_isHTMLDocument)
     , m_useLegacyBackgroundSizeShorthandBehavior(other.m_useLegacyBackgroundSizeShorthandBehavior)
     , m_useCounter(useCounter)
 {
 }
 
 bool CSSParserContext::operator==(const CSSParserContext& other) const
 {
     return m_baseURL == other.m_baseURL
         && m_charset == other.m_charset
@@ skipping 11 matching lines @@
 KURL CSSParserContext::completeURL(const String& url) const
 {
     if (url.isNull())
         return KURL();
     if (charset().isEmpty())
         return KURL(baseURL(), url);
     return KURL(baseURL(), url, charset());
 }
 
 } // namespace WebCore