Adding full initial version of delay estimation functionality in echo canceller 3

webrtc/modules/BUILD.gn

 # Copyright (c) 2016 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.
 
 import("../build/webrtc.gni")
 import("audio_coding/audio_coding.gni")
@@ skipping 578 matching lines @@
       ]
       deps += [
         "audio_coding:neteq_unittest_proto",
         "audio_processing:audioproc_protobuf_utils",
         "audio_processing:audioproc_unittest_proto",
       ]
       sources += [
         "audio_processing/aec3/block_framer_unittest.cc",
         "audio_processing/aec3/block_processor_unittest.cc",
         "audio_processing/aec3/cascaded_biquad_filter_unittest.cc",
+        "audio_processing/aec3/correlator_lag_aggregator_unittest.cc",
+        "audio_processing/aec3/correlator_unittest.cc",
+        "audio_processing/aec3/down_sampler_4khz_unittest.cc",
         "audio_processing/aec3/echo_canceller3_unittest.cc",
         "audio_processing/aec3/echo_path_delay_estimator_unittest.cc",
         "audio_processing/aec3/echo_remover_unittest.cc",
         "audio_processing/aec3/frame_blocker_unittest.cc",
         "audio_processing/aec3/mock/mock_block_processor.h",
         "audio_processing/aec3/mock/mock_echo_remover.h",
         "audio_processing/aec3/mock/mock_render_delay_buffer.h",
         "audio_processing/aec3/mock/mock_render_delay_controller.h",
         "audio_processing/aec3/render_delay_buffer_unittest.cc",
         "audio_processing/aec3/render_delay_controller_unittest.cc",
@@ skipping 159 matching lines @@
       "../test:test_common",
       "../test:test_main",
       "remote_bitrate_estimator:bwe_simulator_lib",
       "video_capture",
       "//testing/gmock",
       "//testing/gtest",
       "//third_party/gflags",
     ]
   }
 }