Pass ownership of external encoders to the ACM

webrtc/modules/audio_coding/acm2/audio_coding_module_unittest_oldapi.cc

 /*
  *  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.
  */
 
@@ skipping 1614 matching lines @@
 
 TEST_F(AcmSenderBitExactnessOldApi, External_Pcmu_20ms) {
   CodecInst codec_inst;
   codec_inst.channels = 1;
   codec_inst.pacsize = 160;
   codec_inst.pltype = 0;
   AudioEncoderPcmU encoder(codec_inst);
   MockAudioEncoder mock_encoder;
   // Set expectations on the mock encoder and also delegate the calls to the
   // real encoder.
+  EXPECT_CALL(mock_encoder, Die());
   EXPECT_CALL(mock_encoder, SampleRateHz())
       .Times(AtLeast(1))
       .WillRepeatedly(Invoke(&encoder, &AudioEncoderPcmU::SampleRateHz));
   EXPECT_CALL(mock_encoder, NumChannels())
       .Times(AtLeast(1))
       .WillRepeatedly(Invoke(&encoder, &AudioEncoderPcmU::NumChannels));
   EXPECT_CALL(mock_encoder, RtpTimestampRateHz())
       .Times(AtLeast(1))
       .WillRepeatedly(Invoke(&encoder, &AudioEncoderPcmU::RtpTimestampRateHz));
   EXPECT_CALL(mock_encoder, Num10MsFramesInNextPacket())
@@ skipping 133 matching lines @@
   Run(16000, 8000, 1000);
 }
 
 TEST_F(AcmSwitchingOutputFrequencyOldApi, Toggle8KhzTo16Khz) {
   Run(8000, 16000, 1000);
 }
 
 #endif
 
 }  // namespace webrtc