Refactored DataBuffer to use unix_hacker style methods.

media/filters/opus_audio_decoder.cc

Index: media/filters/opus_audio_decoder.cc
diff --git a/media/filters/opus_audio_decoder.cc b/media/filters/opus_audio_decoder.cc
index be003f1dc0aba4ea4d48e3faa503b5b8648d694d..d234b19726af7cceaaae57801518ac9b486ec2d7 100644
--- a/media/filters/opus_audio_decoder.cc
+++ b/media/filters/opus_audio_decoder.cc
@@ -357,7 +357,7 @@ void OpusAudioDecoder::BufferReady(
   // Libopus does not buffer output. Decoding is complete when an end of stream
   // input buffer is received.
   if (input->IsEndOfStream()) {
-    base::ResetAndReturn(&read_cb_).Run(kOk, DataBuffer::CreateEOSBuffer());
+    base::ResetAndReturn(&read_cb_).Run(kOk, DataBuffer::create_eos_buffer());
     return;
   }
 
@@ -549,10 +549,10 @@ bool OpusAudioDecoder::Decode(const scoped_refptr<DecoderBuffer>& input,
 
   if (decoded_audio_size > 0) {
     // Copy the audio samples into an output buffer.
-    *output_buffer = DataBuffer::CopyFrom(
+    *output_buffer = DataBuffer::copy_from(
         decoded_audio_data, decoded_audio_size);
-    (*output_buffer)->SetTimestamp(output_timestamp_helper_->GetTimestamp());
-    (*output_buffer)->SetDuration(
+    (*output_buffer)->set_timestamp(output_timestamp_helper_->GetTimestamp());
+    (*output_buffer)->set_duration(
         output_timestamp_helper_->GetDuration(decoded_audio_size));
     output_timestamp_helper_->AddBytes(decoded_audio_size);
   }