Update from chromium https://crrev.com/301315

net/http/http_stream_factory_impl.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.h"
 
 #include <string>
 
 #include "base/logging.h"
 #include "base/stl_util.h"
@@ skipping 177 matching lines @@
                                      original_url.EffectiveIntPort());
 
   HttpServerProperties& http_server_properties =
       *session_->http_server_properties();
   if (!http_server_properties.HasAlternateProtocol(origin))
     return kNoAlternateProtocol;
 
   AlternateProtocolInfo alternate =
       http_server_properties.GetAlternateProtocol(origin);
   if (alternate.protocol == ALTERNATE_PROTOCOL_BROKEN) {
-    HistogramAlternateProtocolUsage(
-        ALTERNATE_PROTOCOL_USAGE_BROKEN,
-        http_server_properties.GetAlternateProtocolExperiment());
+    HistogramAlternateProtocolUsage(ALTERNATE_PROTOCOL_USAGE_BROKEN);
     return kNoAlternateProtocol;
   }
 
   if (!IsAlternateProtocolValid(alternate.protocol)) {
     NOTREACHED();
     return kNoAlternateProtocol;
   }
 
   // Some shared unix systems may have user home directories (like
   // http://foo.com/~mike) which allow users to emit headers.  This is a bad
@@ skipping 90 matching lines @@
   delete job;
 }
 
 void HttpStreamFactoryImpl::OnPreconnectsComplete(const Job* job) {
   preconnect_job_set_.erase(job);
   delete job;
   OnPreconnectsCompleteInternal();
 }
 
 }  // namespace net