Android: Fix incorrect sign on kMinScale in audio decoder.

webkit/media/android/audio_decoder_android.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 "webkit/media/audio_decoder.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <limits.h>
 #include <sys/mman.h>
@@ skipping 162 matching lines @@
   // Convert the samples and save them in the audio bus.
   size_t number_of_samples = decoded_samples.size();
   size_t number_of_frames = number_of_samples / number_of_channels;
 
   destination_bus->initialize(number_of_channels,
                               number_of_frames,
                               file_sample_rate);
 
   size_t decoded_frames = 0;
   const float kMaxScale = 1.0f / std::numeric_limits<int16_t>::max();
-  const float kMinScale = 1.0f / std::numeric_limits<int16_t>::min();
+  const float kMinScale = -1.0f / std::numeric_limits<int16_t>::min();
 
   for (size_t m = 0; m < number_of_samples; m += number_of_channels) {
     for (size_t k = 0; k < number_of_channels; ++k) {
       int16_t sample = decoded_samples[m + k];
       destination_bus->channelData(k)[decoded_frames] =
           sample * (sample < 0 ? kMinScale : kMaxScale);
     }
     ++decoded_frames;
   }
 
   return true;
 }
 
 }  // namespace webkit_media