Remove some unused functions in core

Source/core/frame/csp/ContentSecurityPolicy.cpp

 /*
  * Copyright (C) 2011 Google, Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 528 matching lines @@
 bool ContentSecurityPolicy::allowBaseURI(const KURL& url, ContentSecurityPolicy::ReportingStatus reportingStatus) const
 {
     return isAllowedByAllWithURL<&CSPDirectiveList::allowBaseURI>(m_policies, url, reportingStatus);
 }
 
 bool ContentSecurityPolicy::allowAncestors(LocalFrame* frame, const KURL& url, ContentSecurityPolicy::ReportingStatus reportingStatus) const
 {
     return isAllowedByAllWithFrame<&CSPDirectiveList::allowAncestors>(m_policies, frame, url, reportingStatus);
 }
 
-bool ContentSecurityPolicy::allowChildContextFromSource(const KURL& url, ContentSecurityPolicy::ReportingStatus reportingStatus) const
-{
-    return isAllowedByAllWithURL<&CSPDirectiveList::allowChildContextFromSource>(m_policies, url, reportingStatus);
-}
-
 bool ContentSecurityPolicy::allowWorkerContextFromSource(const KURL& url, ContentSecurityPolicy::ReportingStatus reportingStatus) const
 {
     // CSP 1.1 moves workers from 'script-src' to the new 'child-src'. Measure the impact of this backwards-incompatible change.
     if (Document* document = this->document()) {
         UseCounter::count(*document, UseCounter::WorkerSubjectToCSP);
         if (isAllowedByAllWithURL<&CSPDirectiveList::allowChildContextFromSource>(m_policies, url, SuppressReport) && !isAllowedByAllWithURL<&CSPDirectiveList::allowScriptFromSource>(m_policies, url, SuppressReport))
             UseCounter::count(*document, UseCounter::WorkerAllowedByChildBlockedByScript);
     }
 
     return isAllowedByAllWithURL<&CSPDirectiveList::allowChildContextFromSource>(m_policies, url, reportingStatus);
@@ skipping 12 matching lines @@
 ReflectedXSSDisposition ContentSecurityPolicy::reflectedXSSDisposition() const
 {
     ReflectedXSSDisposition disposition = ReflectedXSSUnset;
     for (const auto& policy : m_policies) {
         if (policy->reflectedXSSDisposition() > disposition)
             disposition = std::max(disposition, policy->reflectedXSSDisposition());
     }
     return disposition;
 }
 
-ReferrerPolicy ContentSecurityPolicy::referrerPolicy() const
-{
-    ReferrerPolicy referrerPolicy = ReferrerPolicyDefault;
-    bool first = true;
-    for (const auto& policy : m_policies) {
-        if (policy->didSetReferrerPolicy()) {
-            if (first)
-                referrerPolicy = policy->referrerPolicy();
-            else
-                referrerPolicy = mergeReferrerPolicies(referrerPolicy, policy->referrerPolicy());
-            first = false;
-        }
-    }
-    return referrerPolicy;
-}
-
 bool ContentSecurityPolicy::didSetReferrerPolicy() const
 {
     for (const auto& policy : m_policies) {
         if (policy->didSetReferrerPolicy())
             return true;
     }
     return false;
 }
 
 SecurityOrigin* ContentSecurityPolicy::securityOrigin() const
@@ skipping 307 matching lines @@
     // Collisions have no security impact, so we can save space by storing only the string's hash rather than the whole report.
     return !m_violationReportsSent.contains(report.impl()->hash());
 }
 
 void ContentSecurityPolicy::didSendViolationReport(const String& report)
 {
     m_violationReportsSent.add(report.impl()->hash());
 }
 
 } // namespace blink