Revert of Add CSP header for resources with an active policy

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 882 matching lines @@
 void ContentSecurityPolicy::reportBlockedScriptExecutionToInspector(const String& directiveText) const
 {
     m_executionContext->reportBlockedScriptExecutionToInspector(directiveText);
 }
 
 bool ContentSecurityPolicy::experimentalFeaturesEnabled() const
 {
     return RuntimeEnabledFeatures::experimentalContentSecurityPolicyFeaturesEnabled();
 }
 
-bool ContentSecurityPolicy::shouldSendCSPHeader(Resource::Type type) const
-{
-    for (const auto& policy : m_policies) {
-        if (policy->shouldSendCSPHeader(type))
-            return true;
-    }
-    return false;
-}
-
 bool ContentSecurityPolicy::urlMatchesSelf(const KURL& url) const
 {
     return m_selfSource->matches(url, DidNotRedirect);
 }
 
 bool ContentSecurityPolicy::protocolMatchesSelf(const KURL& url) const
 {
     if (equalIgnoringCase("http", m_selfProtocol))
         return url.protocolIsInHTTPFamily();
     return equalIgnoringCase(url.protocol(), m_selfProtocol);
@@ skipping 14 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