Remove a bunch of dead fields found by Scythe.

media/audio/audio_parameters.h

 // 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.
 
 #ifndef MEDIA_AUDIO_AUDIO_PARAMETERS_H_
 #define MEDIA_AUDIO_AUDIO_PARAMETERS_H_
 
 #include "base/basictypes.h"
 #include "media/base/channel_layout.h"
 #include "media/base/media_export.h"
@@ skipping 21 matching lines @@
     bool operator()(const AudioParameters& a, const AudioParameters& b) const;
   };
 
   enum Format {
     AUDIO_PCM_LINEAR = 0,     // PCM is 'raw' amplitude samples.
     AUDIO_PCM_LOW_LATENCY,    // Linear PCM, low latency requested.
     AUDIO_MOCK,               // Creates a dummy AudioOutputStream object.
     AUDIO_LAST_FORMAT         // Only used for validation of format.y
   };
 
-  // Telephone quality sample rate, mostly for speech-only audio.
-  static const uint32 kTelephoneSampleRate = 8000;
-  // CD sampling rate is 44.1 KHz or conveniently 2x2x3x3x5x5x7x7.
-  static const uint32 kAudioCDSampleRate = 44100;
-  // Digital Audio Tape sample rate.
-  static const uint32 kAudioDATSampleRate = 48000;
+  enum {
+    // Telephone quality sample rate, mostly for speech-only audio.
+    kTelephoneSampleRate = 8000,
+    // CD sampling rate is 44.1 KHz or conveniently 2x2x3x3x5x5x7x7.

[acolwell GONE FROM CHROMIUM, 2012/07/31 18:09:42]

nit: remove everything after the or?

[Ami GONE FROM CHROMIUM, 2012/07/31 18:14:43]

Dunno where this came from, leaving for now.

[Ami GONE FROM CHROMIUM, 2012/07/31 20:23:55]

FTR, this was introduced in http://codereview.chromium.org/17401; cpu@ says no
reason to keep so I'll drop it in another CL.

+    kAudioCDSampleRate = 44100,
+  };
 
   AudioParameters();
   AudioParameters(Format format, ChannelLayout channel_layout,
                   int sample_rate, int bits_per_sample,
                   int frames_per_buffer);
   void Reset(Format format, ChannelLayout channel_layout,
              int sample_rate, int bits_per_sample,
              int frames_per_buffer);
 
   // Checks that all values are in the expected range. All limits are specified
@@ skipping 23 matching lines @@
   int bits_per_sample_;           // Number of bits per sample.
   int frames_per_buffer_;         // Number of frames in a buffer.
 
   int channels_;                  // Number of channels. Value set based on
                                   // |channel_layout|.
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_AUDIO_PARAMETERS_H_