Revert of Embedding-CSP: Refactoring directive strings into enum

third_party/WebKit/Source/core/frame/csp/SourceListDirective.cpp

 // Copyright 2014 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/frame/csp/SourceListDirective.h"
 
 #include "core/frame/csp/CSPSource.h"
 #include "core/frame/csp/ContentSecurityPolicy.h"
 #include "platform/network/ContentSecurityPolicyParsers.h"
 #include "platform/weborigin/KURL.h"
@@ skipping 123 matching lines @@
     CSPSource::WildcardDisposition hostWildcard = CSPSource::NoWildcard;
     CSPSource::WildcardDisposition portWildcard = CSPSource::NoWildcard;
 
     if (parseSource(beginSource, position, scheme, host, port, path,
                     hostWildcard, portWildcard)) {
       // Wildcard hosts and keyword sources ('self', 'unsafe-inline',
       // etc.) aren't stored in m_list, but as attributes on the source
       // list itself.
       if (scheme.isEmpty() && host.isEmpty())
         continue;
-      if (ContentSecurityPolicy::getDirectiveType(host) !=
-          ContentSecurityPolicy::DirectiveType::Undefined)
+      if (m_policy->isDirectiveName(host))
         m_policy->reportDirectiveAsSourceExpression(m_directiveName, host);
       m_list.append(new CSPSource(m_policy, scheme, host, port, path,
                                   hostWildcard, portWildcard));
     } else {
       m_policy->reportInvalidSourceExpression(
           m_directiveName, String(beginSource, position - beginSource));
     }
 
     DCHECK(position == end || isASCIISpace(*position));
   }
@@ skipping 443 matching lines @@
   return normalized;
 }
 
 DEFINE_TRACE(SourceListDirective) {
   visitor->trace(m_policy);
   visitor->trace(m_list);
   CSPDirective::trace(visitor);
 }
 
 }  // namespace blink