media:AudioBuffer : Add missing break statement

media/base/audio_buffer.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 "media/base/audio_buffer.h"
 
 #include "base/logging.h"
 #include "media/base/audio_bus.h"
 #include "media/base/buffers.h"
 #include "media/base/limits.h"
@@ skipping 319 matching lines @@
                              ConvertF32ToS32);
       break;
     case kSampleFormatPlanarS32:
       // Format is planar signed 32 bit. Convert each value into int32 and
       // insert into output channel data.
       InterleaveToS32<int32>(channel_data_,
                              frames_to_copy,
                              trim_start_,
                              dest_data,
                              ConvertS32ToS32);
+      break;
     case kUnknownSampleFormat:
       NOTREACHED();
       break;
   }
 }
 
 void AudioBuffer::TrimStart(int frames_to_trim) {
   CHECK_GE(frames_to_trim, 0);
   CHECK_LE(frames_to_trim, adjusted_frame_count_);
 
@@ skipping 54 matching lines @@
     }
   } else {
     CHECK_EQ(frames_to_copy, 0);
   }
 
   // Trim the leftover data off the end of the buffer and update duration.
   TrimEnd(frames_to_trim);
 }
 
 }  // namespace media