Added a perf test for the residual echo detector.

webrtc/BUILD.gn

 # Copyright (c) 2014 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.
 
 # TODO(kjellander): Rebase this to webrtc/build/common.gypi changes after r6330.
 
@@ skipping 609 matching lines @@
     configs += [ ":rtc_unittests_config" ]
 
     sources = [
       "call/call_perf_tests.cc",
       "call/rampup_tests.cc",
       "call/rampup_tests.h",
       "modules/audio_coding/codecs/opus/opus_complexity_unittest.cc",
       "modules/audio_coding/neteq/test/neteq_performance_unittest.cc",
       "modules/audio_processing/audio_processing_performance_unittest.cc",
       "modules/audio_processing/level_controller/level_controller_complexity_unittest.cc",
+      "modules/audio_processing/residual_echo_detector_complexity_unittest.cc",
       "modules/remote_bitrate_estimator/remote_bitrate_estimators_test.cc",
       "video/full_stack.cc",
     ]
     deps = [
       "modules/audio_coding:neteq_test_support",
       "modules/audio_processing",
       "modules/audio_processing:audioproc_test_utils",
       "modules/remote_bitrate_estimator:bwe_simulator_lib",
       "modules/rtp_rtcp",
       "test:test_common",
@@ skipping 68 matching lines @@
 
       deps = [
         "//base:base_java_test_support",
         "//webrtc/api:libjingle_peerconnection_java",
         "//webrtc/api:libjingle_peerconnection_jni",
         "//webrtc/examples:AppRTCMobile_javalib",
       ]
     }
   }
 }