Move media/audio files into media namespace

media/audio/audio_output_controller_unittest.cc

Index: media/audio/audio_output_controller_unittest.cc
diff --git a/media/audio/audio_output_controller_unittest.cc b/media/audio/audio_output_controller_unittest.cc
index 3736a90ff05346c318133aa0f34364befe714c88..3af611e0867a51b7b9bb00bd0469630c4491a2f5 100644
--- a/media/audio/audio_output_controller_unittest.cc
+++ b/media/audio/audio_output_controller_unittest.cc
@@ -21,6 +21,8 @@ using ::testing::InvokeWithoutArgs;
 using ::testing::NotNull;
 using ::testing::Return;
 
+namespace media {
+
 static const int kSampleRate = AudioParameters::kAudioCDSampleRate;
 static const int kBitsPerSample = 16;
 static const ChannelLayout kChannelLayout = CHANNEL_LAYOUT_STEREO;
@@ -28,8 +30,6 @@ static const int kSamplesPerPacket = kSampleRate / 10;
 static const int kHardwareBufferSize = kSamplesPerPacket *
     ChannelLayoutToChannelCount(kChannelLayout) * kBitsPerSample / 8;
 
-namespace media {
-
 class MockAudioOutputControllerEventHandler
     : public AudioOutputController::EventHandler {
  public: