Probing: Add support for exponential startup probing

webrtc/modules/modules.gyp

 # Copyright (c) 2011 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.
 
 {
   'includes': [
@@ skipping 257 matching lines @@
             'audio_processing/vad/vad_audio_proc_unittest.cc',
             'audio_processing/vad/vad_circular_buffer_unittest.cc',
             'audio_processing/vad/voice_activity_detector_unittest.cc',
             'bitrate_controller/bitrate_controller_unittest.cc',
             'bitrate_controller/send_side_bandwidth_estimation_unittest.cc',
             'congestion_controller/congestion_controller_unittest.cc',
             'congestion_controller/delay_based_bwe_unittest.cc',
             'congestion_controller/delay_based_bwe_unittest_helper.cc',
             'congestion_controller/delay_based_bwe_unittest_helper.h',
             'congestion_controller/probe_bitrate_estimator_unittest.cc',
+            'congestion_controller/probe_controller_unittest.cc',
             'media_file/media_file_unittest.cc',
             'module_common_types_unittest.cc',
             'pacing/bitrate_prober_unittest.cc',
             'pacing/paced_sender_unittest.cc',
             'pacing/packet_router_unittest.cc',
             'remote_bitrate_estimator/bwe_simulations.cc',
             'remote_bitrate_estimator/include/mock/mock_remote_bitrate_estimator.h',
             'remote_bitrate_estimator/include/mock/mock_remote_bitrate_observer.h',
             'remote_bitrate_estimator/inter_arrival_unittest.cc',
             'remote_bitrate_estimator/overuse_detector_unittest.cc',
@@ skipping 513 matching lines @@
               'sources': [
                 'modules_unittests.isolate',
               ],
             },
           ],
         }],
       ],
     }], # include_tests
   ], # conditions
 }