Change CSSParserContext to either take explicit or implicit referrer

third_party/WebKit/Source/core/css/parser/CSSParserContext.cpp

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/css/parser/CSSParserContext.h"
 
 #include "core/css/CSSStyleSheet.h"
 #include "core/css/StyleSheetContents.h"
 #include "core/frame/Deprecation.h"
 #include "core/frame/Settings.h"
@@ skipping 25 matching lines @@
   return new CSSParserContext(
       other->m_baseURL, other->m_charset, other->m_mode, other->m_matchMode,
       other->m_profile, other->m_referrer, other->m_isHTMLDocument,
       other->m_useLegacyBackgroundSizeShorthandBehavior,
       other->m_shouldCheckContentSecurityPolicy, useCounterDocument);
 }
 
 // static
 CSSParserContext* CSSParserContext::create(const CSSParserContext* other,
                                            const KURL& baseURL,
+                                           ReferrerPolicy referrerPolicy,
                                            const String& charset,
-                                           const Referrer& referrer,
                                            const Document* useCounterDocument) {
   return new CSSParserContext(
       baseURL, charset, other->m_mode, other->m_matchMode, other->m_profile,
-      referrer, other->m_isHTMLDocument,
+      Referrer(baseURL.strippedForUseAsReferrer(), referrerPolicy),
+      other->m_isHTMLDocument,
       other->m_useLegacyBackgroundSizeShorthandBehavior,
       other->m_shouldCheckContentSecurityPolicy, useCounterDocument);
 }
 
 // static
 CSSParserContext* CSSParserContext::create(CSSParserMode mode,
                                            SelectorProfile profile,
                                            const Document* useCounterDocument) {
   return new CSSParserContext(
       KURL(), emptyString, mode, mode, profile, Referrer(), false, false,
       DoNotCheckContentSecurityPolicy, useCounterDocument);
 }
 
 // static
-CSSParserContext* CSSParserContext::create(const Document& document,
-                                           const Document* useCounterDocument) {
-  return CSSParserContext::create(document, KURL(), emptyString, DynamicProfile,
-                                  useCounterDocument);
+CSSParserContext* CSSParserContext::create(const Document& document) {
+  return CSSParserContext::create(document, document.baseURL(),
+                                  document.getReferrerPolicy(), emptyString,
+                                  DynamicProfile);
 }
 
 // static
-CSSParserContext* CSSParserContext::create(const Document& document,
-                                           const KURL& baseURLOverride,
-                                           const String& charset,
-                                           SelectorProfile profile,
-                                           const Document* useCounterDocument) {
-  const KURL baseURL =
-      baseURLOverride.isNull() ? document.baseURL() : baseURLOverride;
-
+CSSParserContext* CSSParserContext::create(
+    const Document& document,
+    const KURL& baseURLOverride,
+    ReferrerPolicy referrerPolicyOverride,
+    const String& charset,
+    SelectorProfile profile) {
   CSSParserMode mode =
       document.inQuirksMode() ? HTMLQuirksMode : HTMLStandardMode;
   CSSParserMode matchMode;
   if (HTMLImportsController* importsController = document.importsController()) {
     matchMode = importsController->master()->inQuirksMode() ? HTMLQuirksMode
                                                             : HTMLStandardMode;
   } else {
     matchMode = mode;
   }
 
-  const Referrer referrer(baseURL.strippedForUseAsReferrer(),
-                          document.getReferrerPolicy());
+  const Referrer referrer(baseURLOverride.strippedForUseAsReferrer(),
+                          referrerPolicyOverride);
 
   bool useLegacyBackgroundSizeShorthandBehavior =
       document.settings()
           ? document.settings()->getUseLegacyBackgroundSizeShorthandBehavior()
           : false;
 
   ContentSecurityPolicyDisposition policyDisposition;
   if (ContentSecurityPolicy::shouldBypassMainWorld(&document))
     policyDisposition = DoNotCheckContentSecurityPolicy;
   else
     policyDisposition = CheckContentSecurityPolicy;
 
-  return new CSSParserContext(baseURL, charset, mode, matchMode, profile,
-                              referrer, document.isHTMLDocument(),
+  return new CSSParserContext(baseURLOverride, charset, mode, matchMode,
+                              profile, referrer, document.isHTMLDocument(),
                               useLegacyBackgroundSizeShorthandBehavior,
-                              policyDisposition, useCounterDocument);
+                              policyDisposition, &document);
 }
 
 CSSParserContext::CSSParserContext(
     const KURL& baseURL,
     const String& charset,
     CSSParserMode mode,
     CSSParserMode matchMode,
     SelectorProfile profile,
     const Referrer& referrer,
     bool isHTMLDocument,
@@ skipping 55 matching lines @@
 
 bool CSSParserContext::isDocumentHandleEqual(const Document* other) const {
   return m_document.get() == other;
 }
 
 DEFINE_TRACE(CSSParserContext) {
   visitor->trace(m_document);
 }
 
 }  // namespace blink