Remove the WARNING security level.

content/child/web_url_loader_impl.cc

 // 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 "content/child/web_url_loader_impl.h"
 
 #include <openssl/ssl.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 254 matching lines @@
   switch (security_style) {
     case SECURITY_STYLE_UNKNOWN:
       security_style_blink = WebURLResponse::SecurityStyleUnknown;
       break;
     case SECURITY_STYLE_UNAUTHENTICATED:
       security_style_blink = WebURLResponse::SecurityStyleUnauthenticated;
       break;
     case SECURITY_STYLE_AUTHENTICATION_BROKEN:
       security_style_blink = WebURLResponse::SecurityStyleAuthenticationBroken;
       break;
-    case SECURITY_STYLE_WARNING:
-      security_style_blink = WebURLResponse::SecurityStyleWarning;
-      break;
     case SECURITY_STYLE_AUTHENTICATED:
       security_style_blink = WebURLResponse::SecurityStyleAuthenticated;
       break;
   }
 
   response->setSecurityStyle(security_style_blink);
 
   blink::WebURLResponse::SignedCertificateTimestampList sct_list(
       info.signed_certificate_timestamps.size());
 
@@ skipping 954 matching lines @@
     response->clearHTTPHeaderField(webStringName);
     while (response_headers->EnumerateHeader(&iterator, name, &value)) {
       response->addHTTPHeaderField(webStringName,
                                    WebString::fromLatin1(value));
     }
   }
   return true;
 }
 
 }  // namespace content