Make UTF16ToASCII and UTF16TOUTF8 take a StringPiece

content/renderer/media/media_stream_renderer_factory_impl.cc

 // Copyright 2014 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/media_stream_renderer_factory_impl.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "content/renderer/media/media_stream.h"
 #include "content/renderer/media/media_stream_video_track.h"
 #include "content/renderer/media/rtc_video_renderer.h"
@@ skipping 102 matching lines @@
 scoped_refptr<VideoFrameProvider>
 MediaStreamRendererFactoryImpl::GetVideoFrameProvider(
     const GURL& url,
     const base::Closure& error_cb,
     const VideoFrameProvider::RepaintCB& repaint_cb) {
   blink::WebMediaStream web_stream =
       blink::WebMediaStreamRegistry::lookupMediaStreamDescriptor(url);
   DCHECK(!web_stream.isNull());
 
   DVLOG(1) << "MediaStreamRendererFactoryImpl::GetVideoFrameProvider stream:"
-           << base::UTF16ToUTF8(web_stream.id());
+           << base::UTF16ToUTF8(base::StringPiece16(web_stream.id()));
 
   blink::WebVector<blink::WebMediaStreamTrack> video_tracks;
   web_stream.videoTracks(video_tracks);
   if (video_tracks.isEmpty() ||
       !MediaStreamVideoTrack::GetTrack(video_tracks[0])) {
     return NULL;
   }
 
   return new RTCVideoRenderer(video_tracks[0], error_cb, repaint_cb);
 }
 
 scoped_refptr<MediaStreamAudioRenderer>
 MediaStreamRendererFactoryImpl::GetAudioRenderer(const GURL& url,
                                              int render_frame_id) {
   blink::WebMediaStream web_stream =
       blink::WebMediaStreamRegistry::lookupMediaStreamDescriptor(url);
 
   if (web_stream.isNull() || !web_stream.extraData())
     return NULL;  // This is not a valid stream.
 
   DVLOG(1) << "MediaStreamRendererFactoryImpl::GetAudioRenderer stream:"
-           << base::UTF16ToUTF8(web_stream.id());
+           << base::UTF16ToUTF8(base::StringPiece16(web_stream.id()));
 
   MediaStream* native_stream = MediaStream::GetMediaStream(web_stream);
 
   // TODO(tommi): MediaStreams do not have a 'local or not' concept.
   // Tracks _might_, but even so, we need to fix the data flow so that
   // it works the same way for all track implementations, local, remote or what
   // have you.
   // In this function, we should simply create a renderer object that receives
   // and mixes audio from all the tracks that belong to the media stream.
   // We need to remove the |is_local| property from MediaStreamExtraData since
@@ skipping 27 matching lines @@
 
     if (renderer.get() && !audio_device->SetAudioRenderer(renderer.get()))
       renderer = NULL;
   }
 
   return renderer.get() ?
       renderer->CreateSharedAudioRendererProxy(stream) : NULL;
 }
 
 }  // namespace content