Move media/audio files into media namespace

media/audio/audio_input_device_unittest.cc

 // Copyright (c) 2012 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 "base/environment.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/win/scoped_com_initializer.h"
 #include "media/audio/audio_manager.h"
 #include "media/audio/audio_manager_base.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 #if defined(OS_WIN)
 #include "media/audio/win/audio_manager_win.h"
 #include "media/audio/win/wavein_input_win.h"
 #endif
 
 using base::win::ScopedCOMInitializer;
-using media::AudioDeviceNames;
+
+namespace media {
 
 // Test fixture which allows us to override the default enumeration API on
 // Windows.
 class AudioInputDeviceTest
     : public ::testing::Test {
  protected:
   AudioInputDeviceTest()
       : audio_manager_(AudioManager::Create()),
         com_init_(ScopedCOMInitializer::kMTA) {
   }
@@ skipping 135 matching lines @@
       EXPECT_EQ(i->unique_id, converted_id);
     } else {
       // MMDevice-style device IDs should be converted to WaveIn-style device
       // IDs.
       EXPECT_NE(i->unique_id, converted_id);
     }
   }
 }
 
 #endif
+
+}  // namespace media