Always round up to the next full frame when sizing WebAudio decodes.

content/renderer/media/audio_decoder.cc

 // Copyright 2013 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 "content/renderer/media/audio_decoder.h"
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/strings/string_util.h"
@@ skipping 23 matching lines @@
   // Uses the FFmpeg library for audio file reading.
   InMemoryUrlProtocol url_protocol(reinterpret_cast<const uint8*>(data),
                                    data_size, false);
   AudioFileReader reader(&url_protocol);
 
   if (!reader.Open())
     return false;
 
   size_t number_of_channels = reader.channels();
   double file_sample_rate = reader.sample_rate();
-  size_t number_of_frames = static_cast<size_t>(reader.number_of_frames());
+  size_t number_of_frames = static_cast<size_t>(reader.GetNumberOfFrames());
 
   // Apply sanity checks to make sure crazy values aren't coming out of
   // FFmpeg.
   if (!number_of_channels ||
       number_of_channels > static_cast<size_t>(media::limits::kMaxChannels) ||
       file_sample_rate < media::limits::kMinSampleRate ||
       file_sample_rate > media::limits::kMaxSampleRate)
     return false;
 
   // Allocate and configure the output audio channel data.
@@ skipping 30 matching lines @@
            << " data size: " << data_size
            << " duration: " << duration
            << " number of frames: " << actual_frames
            << " sample rate: " << file_sample_rate
            << " number of channels: " << number_of_channels;
 
   return actual_frames > 0;
 }
 
 }  // namespace content