Revert of Added first layer of the echo canceller 3 functionality

webrtc/modules/audio_processing/aec3/mock/mock_block_processor.h

Index: webrtc/modules/audio_processing/aec3/mock/mock_block_processor.h
diff --git a/webrtc/modules/audio_processing/aec3/mock/mock_block_processor.h b/webrtc/modules/audio_processing/aec3/mock/mock_block_processor.h
deleted file mode 100644
index d73b095e266322d5c6c266b7014df532ea7e15d1..0000000000000000000000000000000000000000
--- a/webrtc/modules/audio_processing/aec3/mock/mock_block_processor.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- *  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.
- */
-
-#ifndef WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_MOCK_MOCK_BLOCK_PROCESSOR_H_
-#define WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_MOCK_MOCK_BLOCK_PROCESSOR_H_
-
-#include <vector>
-
-#include "webrtc/modules/audio_processing/aec3/block_processor.h"
-#include "webrtc/test/gmock.h"
-
-namespace webrtc {
-namespace test {
-
-class MockBlockProcessor : public BlockProcessor {
- public:
-  virtual ~MockBlockProcessor() {}
-
-  MOCK_METHOD3(ProcessCapture,
-               void(bool known_echo_path_change,
-                    bool saturated_microphone_signal,
-                    std::vector<std::vector<float>>* capture_block));
-  MOCK_METHOD1(BufferRender, bool(std::vector<std::vector<float>>* block));
-  MOCK_METHOD1(ReportEchoLeakage, void(bool leakage_detected));
-};
-
-}  // namespace test
-}  // namespace webrtc
-
-#endif  // WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_MOCK_MOCK_BLOCK_PROCESSOR_H_