Refactored DataBuffer to use unix_hacker style methods.

media/audio/mac/audio_low_latency_input_mac.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 "media/audio/mac/audio_low_latency_input_mac.h"
 
 #include <CoreServices/CoreServices.h>
 
 #include "base/basictypes.h"
 #include "base/logging.h"
@@ skipping 495 matching lines @@
     return kAudioUnitErr_InvalidElement;
 
   // Accumulate captured audio in FIFO until we can match the output size
   // requested by the client.
   fifo_->Append(audio_data, buffer.mDataByteSize);
 
   // Deliver recorded data to the client as soon as the FIFO contains a
   // sufficient amount.
   if (fifo_->forward_bytes() >= requested_size_bytes_) {
     // Read from FIFO into temporary data buffer.
-    fifo_->Read(data_->GetWritableData(), requested_size_bytes_);
+    fifo_->Read(data_->writable_data(), requested_size_bytes_);
 
     // Deliver data packet, delay estimation and volume level to the user.
     sink_->OnData(this,
-                  data_->GetData(),
+                  data_->data(),
                   requested_size_bytes_,
                   capture_delay_bytes,
                   normalized_volume);
   }
 
   return noErr;
 }
 
 int AUAudioInputStream::HardwareSampleRate() {
   // Determine the default input device's sample-rate.
@@ skipping 124 matching lines @@
     kAudioDevicePropertyScopeInput,
     static_cast<UInt32>(channel)
   };
   OSStatus result = AudioObjectIsPropertySettable(input_device_id_,
                                                   &property_address,
                                                   &is_settable);
   return (result == noErr) ? is_settable : false;
 }
 
 }  // namespace media