Added implementation of three classes in BBR,with unit-tests.

webrtc/modules/remote_bitrate_estimator/test/estimators/max_bandwidth_filter_unittest.cc

Index: webrtc/modules/remote_bitrate_estimator/test/estimators/max_bandwidth_filter_unittest.cc
diff --git a/webrtc/modules/remote_bitrate_estimator/test/estimators/max_bandwidth_filter_unittest.cc b/webrtc/modules/remote_bitrate_estimator/test/estimators/max_bandwidth_filter_unittest.cc
index 36d72753a0e92bd54675583a9fa707c8f7c8176f..2c785a843c15f2d600e284fa5bfb9ea4b64afbc2 100644
--- a/webrtc/modules/remote_bitrate_estimator/test/estimators/max_bandwidth_filter_unittest.cc
+++ b/webrtc/modules/remote_bitrate_estimator/test/estimators/max_bandwidth_filter_unittest.cc
@@ -17,27 +17,27 @@ namespace testing {
 namespace bwe {
 TEST(MaxBandwidthFilterTest, InitializationCheck) {
   MaxBandwidthFilter max_bandwidth_filter;
-  EXPECT_EQ(max_bandwidth_filter.max_bandwidth_estimate_bytes_per_ms(), 0);
+  EXPECT_EQ(max_bandwidth_filter.max_bandwidth_estimate_bps(), 0);
 }
 
 TEST(MaxBandwidthFilterTest, AddOneBandwidthSample) {
   MaxBandwidthFilter max_bandwidth_filter;
   max_bandwidth_filter.AddBandwidthSample(13, 4, 10);
-  EXPECT_EQ(max_bandwidth_filter.max_bandwidth_estimate_bytes_per_ms(), 13);
+  EXPECT_EQ(max_bandwidth_filter.max_bandwidth_estimate_bps(), 13);
 }
 
 TEST(MaxBandwidthFilterTest, AddSeveralBandwidthSamples) {
   MaxBandwidthFilter max_bandwidth_filter;
   max_bandwidth_filter.AddBandwidthSample(10, 5, 10);
   max_bandwidth_filter.AddBandwidthSample(13, 6, 10);
-  EXPECT_EQ(max_bandwidth_filter.max_bandwidth_estimate_bytes_per_ms(), 13);
+  EXPECT_EQ(max_bandwidth_filter.max_bandwidth_estimate_bps(), 13);
 }
 
 TEST(MaxBandwidthFilterTest, SampleTimeOut) {
   MaxBandwidthFilter max_bandwidth_filter;
   max_bandwidth_filter.AddBandwidthSample(13, 5, 10);
   max_bandwidth_filter.AddBandwidthSample(10, 15, 10);
-  EXPECT_EQ(max_bandwidth_filter.max_bandwidth_estimate_bytes_per_ms(), 10);
+  EXPECT_EQ(max_bandwidth_filter.max_bandwidth_estimate_bps(), 10);
 }
 
 TEST(MaxBandwidthFilterTest, FullBandwidthReached) {