Enforce referrer policies for workers

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 150 matching lines @@
 }
 
 void ContentSecurityPolicy::applyPolicySideEffectsToExecutionContext()
 {
     ASSERT(m_executionContext);
     ASSERT(securityOrigin());
     // Ensure that 'self' processes correctly.
     m_selfProtocol = securityOrigin()->protocol();
     m_selfSource = adoptPtr(new CSPSource(this, m_selfProtocol, securityOrigin()->host(), securityOrigin()->port(), String(), CSPSource::NoWildcard, CSPSource::NoWildcard));
 
-    // If we're in a Document, set the referrer policy, mixed content checking, and sandbox
+    if (didSetReferrerPolicy())
+        m_executionContext->setReferrerPolicy(m_referrerPolicy);
+
+    // If we're in a Document, set mixed content checking and sandbox
     // flags, then dump all the parsing error messages, then poke at histograms.
     if (Document* document = this->document()) {
         if (m_sandboxMask != SandboxNone) {
             UseCounter::count(document, UseCounter::SandboxViaCSP);
             document->enforceSandboxFlags(m_sandboxMask);
         }
         if (m_enforceStrictMixedContentChecking)
             document->enforceStrictMixedContentChecking();
-        if (didSetReferrerPolicy())
-            document->setReferrerPolicy(m_referrerPolicy);
         if (m_insecureRequestsPolicy == SecurityContext::InsecureRequestsUpgrade) {
             UseCounter::count(document, UseCounter::UpgradeInsecureRequestsEnabled);
             document->setInsecureRequestsPolicy(m_insecureRequestsPolicy);
             if (!securityOrigin()->host().isNull())
                 document->addInsecureNavigationUpgrade(securityOrigin()->host().impl()->hash());
         }
 
         for (const auto& consoleMessage : m_consoleMessages)
             m_executionContext->addConsoleMessage(consoleMessage);
         m_consoleMessages.clear();
@@ skipping 776 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