Move AudioDecoder and AudioDecoderFactory mocks to webrtc/test/

AudioDecoder and AudioDecoderFactory are in webrtc/api/ now, so move
their mocks to someplace central where tests from all over WebRTC are
allowed to #include them.

BUG=webrtc:5805

Review-Url: https://codereview.webrtc.org/2798063004
Cr-Commit-Position: refs/heads/master@{#17619}
diff --git a/webrtc/modules/audio_coding/BUILD.gn b/webrtc/modules/audio_coding/BUILD.gn
index 6d14223..9c7e5ee 100644
--- a/webrtc/modules/audio_coding/BUILD.gn
+++ b/webrtc/modules/audio_coding/BUILD.gn
@@ -2064,7 +2064,6 @@
       "neteq/dtmf_tone_generator_unittest.cc",
       "neteq/expand_unittest.cc",
       "neteq/merge_unittest.cc",
-      "neteq/mock/mock_audio_decoder.h",
       "neteq/mock/mock_buffer_level_filter.h",
       "neteq/mock/mock_decoder_database.h",
       "neteq/mock/mock_delay_manager.h",
@@ -2126,6 +2125,7 @@
       "../../base:rtc_base_tests_utils",
       "../../common_audio",
       "../../system_wrappers:system_wrappers",
+      "../../test:audio_codec_mocks",
       "../../test:field_trial",
       "../../test:rtp_test_utils",
       "../../test:test_common",
diff --git a/webrtc/modules/audio_coding/acm2/audio_coding_module_unittest.cc b/webrtc/modules/audio_coding/acm2/audio_coding_module_unittest.cc
index 58e7b69..be58463 100644
--- a/webrtc/modules/audio_coding/acm2/audio_coding_module_unittest.cc
+++ b/webrtc/modules/audio_coding/acm2/audio_coding_module_unittest.cc
@@ -30,7 +30,6 @@
 #include "webrtc/modules/audio_coding/include/audio_coding_module.h"
 #include "webrtc/modules/audio_coding/include/audio_coding_module_typedefs.h"
 #include "webrtc/modules/audio_coding/neteq/audio_decoder_impl.h"
-#include "webrtc/modules/audio_coding/neteq/mock/mock_audio_decoder.h"
 #include "webrtc/modules/audio_coding/neteq/tools/audio_checksum.h"
 #include "webrtc/modules/audio_coding/neteq/tools/audio_loop.h"
 #include "webrtc/modules/audio_coding/neteq/tools/constant_pcm_packet_source.h"
@@ -44,6 +43,7 @@
 #include "webrtc/system_wrappers/include/event_wrapper.h"
 #include "webrtc/system_wrappers/include/sleep.h"
 #include "webrtc/test/gtest.h"
+#include "webrtc/test/mock_audio_decoder.h"
 #include "webrtc/test/testsupport/fileutils.h"
 
 using ::testing::AtLeast;
diff --git a/webrtc/modules/audio_coding/codecs/mock/mock_audio_decoder_factory.h b/webrtc/modules/audio_coding/codecs/mock/mock_audio_decoder_factory.h
deleted file mode 100644
index 3b91491..0000000
--- a/webrtc/modules/audio_coding/codecs/mock/mock_audio_decoder_factory.h
+++ /dev/null
@@ -1,83 +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_CODING_CODECS_MOCK_MOCK_AUDIO_DECODER_FACTORY_H_
-#define WEBRTC_MODULES_AUDIO_CODING_CODECS_MOCK_MOCK_AUDIO_DECODER_FACTORY_H_
-
-#include <vector>
-
-#include "webrtc/api/audio_codecs/audio_decoder_factory.h"
-#include "webrtc/api/audio_codecs/builtin_audio_decoder_factory.h"
-#include "webrtc/base/scoped_ref_ptr.h"
-#include "webrtc/test/gmock.h"
-
-namespace webrtc {
-
-class MockAudioDecoderFactory : public AudioDecoderFactory {
- public:
-  MOCK_METHOD0(GetSupportedDecoders, std::vector<AudioCodecSpec>());
-  MOCK_METHOD1(IsSupportedDecoder, bool(const SdpAudioFormat&));
-  std::unique_ptr<AudioDecoder> MakeAudioDecoder(
-      const SdpAudioFormat& format) {
-    std::unique_ptr<AudioDecoder> return_value;
-    MakeAudioDecoderMock(format, &return_value);
-    return return_value;
-  }
-  MOCK_METHOD2(MakeAudioDecoderMock,
-               void(const SdpAudioFormat& format,
-                    std::unique_ptr<AudioDecoder>* return_value));
-
-  // Creates a MockAudioDecoderFactory with no formats and that may not be
-  // invoked to create a codec - useful for initializing a voice engine, for
-  // example.
-  static rtc::scoped_refptr<webrtc::MockAudioDecoderFactory>
-  CreateUnusedFactory() {
-    using testing::_;
-    using testing::AnyNumber;
-    using testing::Return;
-
-    rtc::scoped_refptr<webrtc::MockAudioDecoderFactory> factory =
-        new rtc::RefCountedObject<webrtc::MockAudioDecoderFactory>;
-    ON_CALL(*factory.get(), GetSupportedDecoders())
-        .WillByDefault(Return(std::vector<webrtc::AudioCodecSpec>()));
-    EXPECT_CALL(*factory.get(), GetSupportedDecoders()).Times(AnyNumber());
-    ON_CALL(*factory, IsSupportedDecoder(_)).WillByDefault(Return(false));
-    EXPECT_CALL(*factory, IsSupportedDecoder(_)).Times(AnyNumber());
-    EXPECT_CALL(*factory.get(), MakeAudioDecoderMock(_, _)).Times(0);
-    return factory;
-  }
-
-  // Creates a MockAudioDecoderFactory with no formats that may be invoked to
-  // create a codec any number of times. It will, though, return nullptr on each
-  // call, since it supports no codecs.
-  static rtc::scoped_refptr<webrtc::MockAudioDecoderFactory>
-  CreateEmptyFactory() {
-    using testing::_;
-    using testing::AnyNumber;
-    using testing::Return;
-    using testing::SetArgPointee;
-
-    rtc::scoped_refptr<webrtc::MockAudioDecoderFactory> factory =
-        new rtc::RefCountedObject<webrtc::MockAudioDecoderFactory>;
-    ON_CALL(*factory.get(), GetSupportedDecoders())
-        .WillByDefault(Return(std::vector<webrtc::AudioCodecSpec>()));
-    EXPECT_CALL(*factory.get(), GetSupportedDecoders()).Times(AnyNumber());
-    ON_CALL(*factory, IsSupportedDecoder(_)).WillByDefault(Return(false));
-    EXPECT_CALL(*factory, IsSupportedDecoder(_)).Times(AnyNumber());
-    ON_CALL(*factory.get(), MakeAudioDecoderMock(_, _))
-        .WillByDefault(SetArgPointee<1>(nullptr));
-    EXPECT_CALL(*factory.get(), MakeAudioDecoderMock(_, _)).Times(AnyNumber());
-    return factory;
-  }
-};
-
-}  // namespace webrtc
-
-#endif  // WEBRTC_MODULES_AUDIO_CODING_CODECS_MOCK_MOCK_AUDIO_DECODER_FACTORY_H_
diff --git a/webrtc/modules/audio_coding/neteq/decision_logic_unittest.cc b/webrtc/modules/audio_coding/neteq/decision_logic_unittest.cc
index 42fc673..a5c5778 100644
--- a/webrtc/modules/audio_coding/neteq/decision_logic_unittest.cc
+++ b/webrtc/modules/audio_coding/neteq/decision_logic_unittest.cc
@@ -10,15 +10,15 @@
 
 // Unit tests for DecisionLogic class and derived classes.
 
-#include "webrtc/modules/audio_coding/codecs/mock/mock_audio_decoder_factory.h"
-#include "webrtc/modules/audio_coding/neteq/buffer_level_filter.h"
 #include "webrtc/modules/audio_coding/neteq/decision_logic.h"
+#include "webrtc/modules/audio_coding/neteq/buffer_level_filter.h"
 #include "webrtc/modules/audio_coding/neteq/decoder_database.h"
 #include "webrtc/modules/audio_coding/neteq/delay_manager.h"
 #include "webrtc/modules/audio_coding/neteq/delay_peak_detector.h"
 #include "webrtc/modules/audio_coding/neteq/packet_buffer.h"
 #include "webrtc/modules/audio_coding/neteq/tick_timer.h"
 #include "webrtc/test/gtest.h"
+#include "webrtc/test/mock_audio_decoder_factory.h"
 
 namespace webrtc {
 
diff --git a/webrtc/modules/audio_coding/neteq/decoder_database_unittest.cc b/webrtc/modules/audio_coding/neteq/decoder_database_unittest.cc
index f3e6a64..3e65485 100644
--- a/webrtc/modules/audio_coding/neteq/decoder_database_unittest.cc
+++ b/webrtc/modules/audio_coding/neteq/decoder_database_unittest.cc
@@ -16,10 +16,10 @@
 #include <string>
 
 #include "webrtc/api/audio_codecs/builtin_audio_decoder_factory.h"
-#include "webrtc/modules/audio_coding/codecs/mock/mock_audio_decoder_factory.h"
-#include "webrtc/modules/audio_coding/neteq/mock/mock_audio_decoder.h"
 #include "webrtc/test/gmock.h"
 #include "webrtc/test/gtest.h"
+#include "webrtc/test/mock_audio_decoder.h"
+#include "webrtc/test/mock_audio_decoder_factory.h"
 
 using testing::_;
 using testing::Invoke;
diff --git a/webrtc/modules/audio_coding/neteq/mock/mock_audio_decoder.h b/webrtc/modules/audio_coding/neteq/mock/mock_audio_decoder.h
deleted file mode 100644
index f5b343d..0000000
--- a/webrtc/modules/audio_coding/neteq/mock/mock_audio_decoder.h
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- *  Copyright (c) 2012 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_CODING_NETEQ_MOCK_MOCK_AUDIO_DECODER_H_
-#define WEBRTC_MODULES_AUDIO_CODING_NETEQ_MOCK_MOCK_AUDIO_DECODER_H_
-
-#include "webrtc/api/audio_codecs/audio_decoder.h"
-#include "webrtc/test/gmock.h"
-
-namespace webrtc {
-
-class MockAudioDecoder : public AudioDecoder {
- public:
-  MockAudioDecoder() {}
-  virtual ~MockAudioDecoder() { Die(); }
-  MOCK_METHOD0(Die, void());
-  MOCK_METHOD5(DecodeInternal,
-               int(const uint8_t*, size_t, int, int16_t*, SpeechType*));
-  MOCK_CONST_METHOD0(HasDecodePlc, bool());
-  MOCK_METHOD2(DecodePlc, size_t(size_t, int16_t*));
-  MOCK_METHOD0(Reset, void());
-  MOCK_METHOD5(IncomingPacket, int(const uint8_t*, size_t, uint16_t, uint32_t,
-                                   uint32_t));
-  MOCK_METHOD0(ErrorCode, int());
-  MOCK_CONST_METHOD2(PacketDuration, int(const uint8_t*, size_t));
-  MOCK_CONST_METHOD0(Channels, size_t());
-  MOCK_CONST_METHOD0(SampleRateHz, int());
-};
-
-}  // namespace webrtc
-#endif  // WEBRTC_MODULES_AUDIO_CODING_NETEQ_MOCK_MOCK_AUDIO_DECODER_H_
diff --git a/webrtc/modules/audio_coding/neteq/neteq_impl_unittest.cc b/webrtc/modules/audio_coding/neteq/neteq_impl_unittest.cc
index de07ae2..47c2847 100644
--- a/webrtc/modules/audio_coding/neteq/neteq_impl_unittest.cc
+++ b/webrtc/modules/audio_coding/neteq/neteq_impl_unittest.cc
@@ -12,11 +12,9 @@
 
 #include "webrtc/api/audio_codecs/builtin_audio_decoder_factory.h"
 #include "webrtc/base/safe_conversions.h"
-#include "webrtc/modules/audio_coding/codecs/mock/mock_audio_decoder_factory.h"
 #include "webrtc/modules/audio_coding/neteq/accelerate.h"
 #include "webrtc/modules/audio_coding/neteq/expand.h"
 #include "webrtc/modules/audio_coding/neteq/include/neteq.h"
-#include "webrtc/modules/audio_coding/neteq/mock/mock_audio_decoder.h"
 #include "webrtc/modules/audio_coding/neteq/mock/mock_buffer_level_filter.h"
 #include "webrtc/modules/audio_coding/neteq/mock/mock_decoder_database.h"
 #include "webrtc/modules/audio_coding/neteq/mock/mock_delay_manager.h"
@@ -32,6 +30,8 @@
 #include "webrtc/modules/include/module_common_types.h"
 #include "webrtc/test/gmock.h"
 #include "webrtc/test/gtest.h"
+#include "webrtc/test/mock_audio_decoder.h"
+#include "webrtc/test/mock_audio_decoder_factory.h"
 
 using ::testing::AtLeast;
 using ::testing::Return;
diff --git a/webrtc/modules/audio_coding/neteq/red_payload_splitter_unittest.cc b/webrtc/modules/audio_coding/neteq/red_payload_splitter_unittest.cc
index 60cf39f..4a1fb9e 100644
--- a/webrtc/modules/audio_coding/neteq/red_payload_splitter_unittest.cc
+++ b/webrtc/modules/audio_coding/neteq/red_payload_splitter_unittest.cc
@@ -18,10 +18,10 @@
 #include <utility>  // pair
 
 #include "webrtc/api/audio_codecs/builtin_audio_decoder_factory.h"
-#include "webrtc/modules/audio_coding/codecs/mock/mock_audio_decoder_factory.h"
 #include "webrtc/modules/audio_coding/neteq/mock/mock_decoder_database.h"
 #include "webrtc/modules/audio_coding/neteq/packet.h"
 #include "webrtc/test/gtest.h"
+#include "webrtc/test/mock_audio_decoder_factory.h"
 
 using ::testing::Return;
 using ::testing::ReturnNull;