[Extensions] Convert APIs to use movable types [10]

chrome/browser/extensions/api/webrtc_audio_private/webrtc_audio_private_api.cc

Index: chrome/browser/extensions/api/webrtc_audio_private/webrtc_audio_private_api.cc
diff --git a/chrome/browser/extensions/api/webrtc_audio_private/webrtc_audio_private_api.cc b/chrome/browser/extensions/api/webrtc_audio_private/webrtc_audio_private_api.cc
index 4080e03f26e82dc0df730ceee0a4f26d937cd572..7d8a25bf659ef18e340d129de8cdac56a0e5784d 100644
--- a/chrome/browser/extensions/api/webrtc_audio_private/webrtc_audio_private_api.cc
+++ b/chrome/browser/extensions/api/webrtc_audio_private/webrtc_audio_private_api.cc
@@ -225,15 +225,13 @@ void WebrtcAudioPrivateGetSinksFunction::OnOutputDeviceNames(
     scoped_ptr<AudioDeviceNames> raw_ids) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
-  std::vector<linked_ptr<wap::SinkInfo> > results;
-  for (AudioDeviceNames::const_iterator it = raw_ids->begin();
-       it != raw_ids->end();
-       ++it) {
-    linked_ptr<wap::SinkInfo> info(new wap::SinkInfo);
-    info->sink_id = CalculateHMACImpl(it->unique_id);
-    info->sink_label = it->device_name;
+  std::vector<wap::SinkInfo> results;
+  for (const media::AudioDeviceName& name : *raw_ids) {
+    wap::SinkInfo info;
+    info.sink_id = CalculateHMACImpl(name.unique_id);
+    info.sink_label = name.device_name;
     // TODO(joi): Add other parameters.
-    results.push_back(info);
+    results.push_back(std::move(info));
   }
 
   // It's safe to directly set the results here (from a thread other