Ensures that audio tasks cannot run after AudioManager is deleted.

media/audio/android/audio_android_unittest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stdint.h>
 
 #include <memory>
 
 #include "base/android/build_info.h"
 #include "base/bind.h"
@@ skipping 559 matching lines @@
   }
 
   void StopAndClose() {
     DCHECK(audio_manager()->GetTaskRunner()->BelongsToCurrentThread());
     audio_output_stream_->Stop();
     audio_output_stream_->Close();
     audio_output_stream_ = NULL;
   }
 
   std::unique_ptr<base::MessageLoopForUI> loop_;
-  ScopedAudioManagerPtr audio_manager_;
+  std::unique_ptr<AudioManager> audio_manager_;
   AudioParameters audio_output_parameters_;
   AudioOutputStream* audio_output_stream_;
   base::TimeTicks start_time_;
   base::TimeTicks end_time_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(AudioAndroidOutputTest);
 };
 
 // Test fixture class for tests which exercise the input path, or both input and
@@ skipping 372 matching lines @@
   printf("\n");
   StopAndCloseAudioOutputStreamOnAudioThread();
   StopAndCloseAudioInputStreamOnAudioThread();
 }
 
 INSTANTIATE_TEST_CASE_P(AudioAndroidInputTest,
                         AudioAndroidInputTest,
                         testing::Bool());
 
 }  // namespace media