Reland of Make the acceptable queue in the cwnd experiment configurable.

webrtc/video/end_to_end_tests.cc

 /*
  *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 #include <algorithm>
@@ skipping 1912 matching lines @@
   RunBaseTest(&test);
 }
 
 TEST_F(EndToEndTest, AudioVideoReceivesTransportFeedback) {
   TransportFeedbackTester test(true, 1, 1);
   RunBaseTest(&test);
 }
 
 TEST_F(EndToEndTest, StopsSendingMediaWithoutFeedback) {
   test::ScopedFieldTrials override_field_trials(
-      "WebRTC-CwndExperiment/Enabled/");
+      "WebRTC-CwndExperiment/Enabled-250/");
 
   class TransportFeedbackTester : public test::EndToEndTest {
    public:
     TransportFeedbackTester(size_t num_video_streams, size_t num_audio_streams)
         : EndToEndTest(::webrtc::EndToEndTest::kDefaultTimeoutMs),
           num_video_streams_(num_video_streams),
           num_audio_streams_(num_audio_streams),
           media_sent_(0),
           padding_sent_(0) {
       // Only one stream of each supported for now.
@@ skipping 2894 matching lines @@
     std::unique_ptr<VideoEncoder> encoder_;
     std::unique_ptr<VideoDecoder> decoder_;
     rtc::CriticalSection crit_;
     int recorded_frames_ GUARDED_BY(crit_);
   } test(this);
 
   RunBaseTest(&test);
 }
 
 }  // namespace webrtc