Match existing type usage better.

webrtc/modules/audio_coding/neteq/background_noise.h

 /*
  *  Copyright (c) 2012 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 61 matching lines @@
 
   // Sets the mode of the background noise playout for cases when there is long
   // duration of packet loss.
   void set_mode(NetEq::BackgroundNoiseMode mode) { mode_ = mode; }
 
  private:
   static const int kThresholdIncrement = 229;  // 0.0035 in Q16.
   static const int kVecLen = 256;
   static const int kLogVecLen = 8;  // log2(kVecLen).
   static const int kResidualLength = 64;
-  static const int kLogResidualLength = 6;  // log2(kResidualLength)
+  static const int16_t kLogResidualLength = 6;  // log2(kResidualLength)
 
   struct ChannelParameters {
     // Constructor.
     ChannelParameters() {
       Reset();
     }
 
     void Reset() {
       energy = 2500;
       max_energy = 0;
@@ skipping 35 matching lines @@
   size_t num_channels_;
   rtc::scoped_ptr<ChannelParameters[]> channel_parameters_;
   bool initialized_;
   NetEq::BackgroundNoiseMode mode_;
 
   DISALLOW_COPY_AND_ASSIGN(BackgroundNoise);
 };
 
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_AUDIO_CODING_NETEQ_BACKGROUND_NOISE_H_