Convert //content/browser from scoped_ptr to std::unique_ptr

content/browser/speech/speech_recognition_manager_impl.cc

Index: content/browser/speech/speech_recognition_manager_impl.cc
diff --git a/content/browser/speech/speech_recognition_manager_impl.cc b/content/browser/speech/speech_recognition_manager_impl.cc
index 06311bb04ddcfb56ccaf538570edcc64c3bf1304..47b5995f0256f359882df908509841fda8d0a945 100644
--- a/content/browser/speech/speech_recognition_manager_impl.cc
+++ b/content/browser/speech/speech_recognition_manager_impl.cc
@@ -229,7 +229,7 @@ void SpeechRecognitionManagerImpl::RecognitionAllowedCallback(int session_id,
 void SpeechRecognitionManagerImpl::MediaRequestPermissionCallback(
     int session_id,
     const MediaStreamDevices& devices,
-    scoped_ptr<MediaStreamUIProxy> stream_ui) {
+    std::unique_ptr<MediaStreamUIProxy> stream_ui) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
   SessionsTable::iterator iter = sessions_.find(session_id);