Refactored DataBuffer to use unix_hacker style methods.

media/filters/audio_renderer_impl_unittest.cc

Index: media/filters/audio_renderer_impl_unittest.cc
diff --git a/media/filters/audio_renderer_impl_unittest.cc b/media/filters/audio_renderer_impl_unittest.cc
index d9c8f3d757876c8809b4cdab75ff00d61ef7ec2a..32980627193004bc04de59693c626c13409ba43e 100644
--- a/media/filters/audio_renderer_impl_unittest.cc
+++ b/media/filters/audio_renderer_impl_unittest.cc
@@ -194,11 +194,11 @@ class AudioRendererImplTest : public ::testing::Test {
     CHECK(!read_cb_.is_null());
 
     scoped_refptr<DataBuffer> buffer = new DataBuffer(size);
-    buffer->SetDataSize(size);
-    memset(buffer->GetWritableData(), kPlayingAudio, buffer->GetDataSize());
-    buffer->SetTimestamp(next_timestamp_->GetTimestamp());
-    buffer->SetDuration(next_timestamp_->GetDuration(buffer->GetDataSize()));
-    next_timestamp_->AddBytes(buffer->GetDataSize());
+    buffer->set_data_size(size);
+    memset(buffer->writable_data(), kPlayingAudio, buffer->data_size());
+    buffer->set_timestamp(next_timestamp_->GetTimestamp());
+    buffer->set_duration(next_timestamp_->GetDuration(buffer->data_size()));
+    next_timestamp_->AddBytes(buffer->data_size());
 
     DeliverBuffer(AudioDecoder::kOk, buffer);
   }