Remove unnecassary parameter "sampleRate" for loadAudioResource().

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 485 matching lines @@
 }
 
 // To decode audio data, we want to use the Android MediaCodec class.
 // But this can't run in a sandboxed process so we need initiate the
 // request to MediaCodec in the browser.  To do this, we create a
 // shared memory buffer that holds the audio data.  We send a message
 // to the browser to start the decoder using this buffer and one end
 // of a pipe.  The MediaCodec class will decode the data from the
 // shared memory and write the PCM samples back to us over a pipe.
 bool DecodeAudioFileData(blink::WebAudioBus* destination_bus, const char* data,
-                         size_t data_size, double sample_rate,
+                         size_t data_size,
                          scoped_refptr<ThreadSafeSender> sender) {
   // Try to decode the data as a WAVE file first.  If it can't be
   // decoded, use MediaCodec.  See crbug.com/259048.
   if (TryWAVEFileDecoder(
           destination_bus, reinterpret_cast<const uint8_t*>(data), data_size)) {
     return true;
   }
 
   AudioDecoderIO audio_decoder(data, data_size);
 
@@ skipping 57 matching lines @@
     BufferAndCopyPcmDataToBus(input_fd,
                               destination_bus,
                               number_of_channels,
                               file_sample_rate);
   }
 
   return true;
 }
 
 }  // namespace content