Update RateStatistics to handle too-little-data case.

webrtc/modules/remote_bitrate_estimator/remote_bitrate_estimator_single_stream_unittest.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.
  */
 
@@ skipping 17 matching lines @@
 
 TEST_F(RemoteBitrateEstimatorSingleTest, InitialBehavior) {
   InitialBehaviorTestHelper(508017);
 }
 
 TEST_F(RemoteBitrateEstimatorSingleTest, RateIncreaseReordering) {
   RateIncreaseReorderingTestHelper(506422);
 }
 
 TEST_F(RemoteBitrateEstimatorSingleTest, RateIncreaseRtpTimestamps) {
-  RateIncreaseRtpTimestampsTestHelper(1240);
+  RateIncreaseRtpTimestampsTestHelper(1267);
 }
 
 TEST_F(RemoteBitrateEstimatorSingleTest, CapacityDropOneStream) {
   CapacityDropTestHelper(1, false, 633);
 }
 
 TEST_F(RemoteBitrateEstimatorSingleTest, CapacityDropOneStreamWrap) {
   CapacityDropTestHelper(1, true, 633);
 }
 
 TEST_F(RemoteBitrateEstimatorSingleTest, CapacityDropTwoStreamsWrap) {
-  CapacityDropTestHelper(2, true, 600);
+  CapacityDropTestHelper(2, true, 767);
 }
 
 TEST_F(RemoteBitrateEstimatorSingleTest, CapacityDropThreeStreamsWrap) {
-  CapacityDropTestHelper(3, true, 767);
+  CapacityDropTestHelper(3, true, 567);
 }
 
 TEST_F(RemoteBitrateEstimatorSingleTest, CapacityDropThirteenStreamsWrap) {
-  CapacityDropTestHelper(13, true, 733);
+  CapacityDropTestHelper(13, true, 567);
 }
 
 TEST_F(RemoteBitrateEstimatorSingleTest, CapacityDropNineteenStreamsWrap) {
   CapacityDropTestHelper(19, true, 700);
 }
 
 TEST_F(RemoteBitrateEstimatorSingleTest, CapacityDropThirtyStreamsWrap) {
   CapacityDropTestHelper(30, true, 733);
 }
 
 TEST_F(RemoteBitrateEstimatorSingleTest, TestTimestampGrouping) {
   TestTimestampGroupingTestHelper();
 }
 }  // namespace webrtc