Remove experimental code to pick the "warmest" socket

net/http/http_network_transaction_spdy3_unittest.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_network_transaction.h"
 
 #include <math.h>  // ceil
 #include <stdarg.h>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/json/json_writer.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/metrics/histogram.h"
 #include "base/string_util.h"
 #include "base/test/test_file_util.h"
 #include "base/utf_string_conversions.h"
 #include "net/base/auth.h"
 #include "net/base/capturing_net_log.h"
 #include "net/base/cert_test_util.h"
 #include "net/base/completion_callback.h"
 #include "net/base/host_cache.h"
 #include "net/base/load_timing_info.h"
 #include "net/base/load_timing_info_test_util.h"
@@ skipping 11187 matching lines @@
             trans2.Start(&request2, callback2.callback(), BoundNetLog()));
   MessageLoop::current()->RunUntilIdle();
   data2->RunFor(3);
 
   ASSERT_TRUE(callback2.have_result());
   EXPECT_EQ(OK, callback2.WaitForResult());
   EXPECT_TRUE(trans2.GetResponseInfo()->was_fetched_via_spdy);
 }
 
 }  // namespace net