Move RC4 behind a fallback.

net/http/http_stream_factory_impl_job.cc

 // Copyright (c) 2012 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 "net/http/http_stream_factory_impl_job.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/bind.h"
@@ skipping 1261 matching lines @@
         fallback = FALLBACK_TLS1;
         break;
       case SSL_PROTOCOL_VERSION_TLS1_1:
         fallback = FALLBACK_TLS1_1;
         break;
     }
   }
   UMA_HISTOGRAM_ENUMERATION("Net.ConnectionUsedSSLVersionFallback",
                             fallback, FALLBACK_MAX);
 
+  UMA_HISTOGRAM_BOOLEAN("Net.ConnectionUsedSSLDeprecatedCipherFallback",
+                        ssl_config->enable_deprecated_cipher_suites);
+
   // We also wish to measure the amount of fallback connections for a host that
   // we know implements TLS up to 1.2. Ideally there would be no fallback here
   // but high numbers of SSLv3 would suggest that SSLv3 fallback is being
   // caused by network middleware rather than buggy HTTPS servers.
   const std::string& host = origin_server.host();
   if (!is_proxy &&
       host.size() >= 10 &&
       host.compare(host.size() - 10, 10, "google.com") == 0 &&
       (host.size() == 10 || host[host.size()-11] == '.')) {
     UMA_HISTOGRAM_ENUMERATION("Net.GoogleConnectionUsedSSLVersionFallback",
@@ skipping 175 matching lines @@
 
   if (job_status_ == STATUS_SUCCEEDED && other_job_status_ == STATUS_BROKEN) {
     HistogramBrokenAlternateProtocolLocation(
         BROKEN_ALTERNATE_PROTOCOL_LOCATION_HTTP_STREAM_FACTORY_IMPL_JOB_MAIN);
     session_->http_server_properties()->MarkAlternativeServiceBroken(
         other_job_alternative_service_);
   }
 }
 
 }  // namespace net