Major updates to the echo removal functionality in AEC3

webrtc/modules/audio_processing/aec3/power_echo_model_unittest.cc

Index: webrtc/modules/audio_processing/aec3/power_echo_model_unittest.cc
diff --git a/webrtc/modules/audio_processing/aec3/power_echo_model_unittest.cc b/webrtc/modules/audio_processing/aec3/power_echo_model_unittest.cc
deleted file mode 100644
index f3c3634cb7bc7f9b976ae5c5c0211815c2c6f2ca..0000000000000000000000000000000000000000
--- a/webrtc/modules/audio_processing/aec3/power_echo_model_unittest.cc
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- *  Copyright (c) 2017 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.
- */
-
-#include "webrtc/modules/audio_processing/aec3/power_echo_model.h"
-
-#include <array>
-#include <string>
-#include <vector>
-
-#include "webrtc/base/random.h"
-#include "webrtc/modules/audio_processing/aec3/aec_state.h"
-#include "webrtc/modules/audio_processing/aec3/aec3_common.h"
-#include "webrtc/modules/audio_processing/aec3/aec3_fft.h"
-#include "webrtc/modules/audio_processing/aec3/echo_path_variability.h"
-#include "webrtc/modules/audio_processing/test/echo_canceller_test_tools.h"
-
-#include "webrtc/test/gtest.h"
-
-namespace webrtc {
-
-#if RTC_DCHECK_IS_ON && GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID)
-
-// Verifies that the check for non-null output parameter works.
-TEST(PowerEchoModel, NullEstimateEchoOutput) {
-  PowerEchoModel model;
-  std::array<float, kFftLengthBy2Plus1> Y2;
-  AecState aec_state;
-  RenderBuffer X_buffer(Aec3Optimization::kNone, 3,
-                        model.MinFarendBufferLength(),
-                        std::vector<size_t>(1, model.MinFarendBufferLength()));
-
-  EXPECT_DEATH(model.EstimateEcho(X_buffer, Y2, aec_state, nullptr), "");
-}
-
-#endif
-
-
-}  // namespace webrtc