Relanding Switched main WebRTC browser tests to use a more realistic video

chrome/browser/media/webrtc_browsertest_perf.cc

 // Copyright 2013 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 "chrome/browser/media/webrtc_browsertest_perf.h"
 
 #include "base/strings/stringprintf.h"
 #include "base/values.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "testing/perf/perf_test.h"
@@ skipping 154 matching lines @@
   base::DictionaryValue::Iterator stats_iterator(stats_dict);
 
   while (!stats_iterator.IsAtEnd()) {
     if (stats_iterator.key().find("ssrc_") != std::string::npos)
       result.insert(ExtractSsrcIdentifier(stats_iterator.key()));
     stats_iterator.Advance();
   }
   return result;
 }
 
+namespace test {
+
 void PrintBweForVideoMetrics(const base::DictionaryValue& pc_dict) {
   const std::string kBweStatsKey = "bweforvideo";
   std::string value;
   ASSERT_TRUE(pc_dict.GetString(
       Statistic("googAvailableSendBandwidth", kBweStatsKey), &value));
   perf_test::PrintResult("bwe_stats", "", "available_send_bw", value, "bytes/s",
                          false);
   ASSERT_TRUE(pc_dict.GetString(
       Statistic("googAvailableReceiveBandwidth", kBweStatsKey), &value));
   perf_test::PrintResult("bwe_stats", "", "available_recv_bw", value, "bytes/s",
@@ skipping 26 matching lines @@
     bool did_recognize_stream_type =
         MaybePrintResultsForAudioReceive(ssrc, pc_dict) ||
         MaybePrintResultsForAudioSend(ssrc, pc_dict) ||
         MaybePrintResultsForVideoReceive(ssrc, pc_dict) ||
         MaybePrintResultsForVideoSend(ssrc, pc_dict);
     ASSERT_TRUE(did_recognize_stream_type) << "Failed to figure out which "
                                               "kind of stream SSRC " << ssrc
                                            << " is. ";
   }
 }
+
+}  // namespace test