Don't print messages about unknown WAVE chunks in Android WAV decoder.

content/renderer/media/android/audio_decoder_android.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/android/audio_decoder_android.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <limits.h>
 #include <sys/mman.h>
@@ skipping 359 matching lines @@
 
     if (memcmp(chunk_id_, "fmt ", kChunkIDLength) == 0) {
       if (!ReadFMTChunk())
         return false;
     } else if (memcmp(chunk_id_, "data", kChunkIDLength) == 0) {
       // Return after reading the data chunk, whether we succeeded or
       // not.
       return CopyDataChunkToBus(destination_bus);
     } else {
       // Ignore these chunks that we don't know about.
-      VLOG(0) << "Ignoring WAVE chunk `" << chunk_id_ << "' size "
-              << chunk_size_;
+      DVLOG(0) << "Ignoring WAVE chunk `" << chunk_id_ << "' size "
+               << chunk_size_;
     }
 
     // Advance to next chunk.
     buffer_ += chunk_size_;
   }
 
   // If we get here, that means we didn't find a data chunk, so we
   // couldn't handle this WAVE file.
 
   return false;
@@ skipping 173 matching lines @@
     BufferAndCopyPcmDataToBus(input_fd,
                               destination_bus,
                               number_of_channels,
                               file_sample_rate);
   }
 
   return true;
 }
 
 }  // namespace content