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

content/browser/speech/speech_recognizer_impl.cc

Index: content/browser/speech/speech_recognizer_impl.cc
diff --git a/content/browser/speech/speech_recognizer_impl.cc b/content/browser/speech/speech_recognizer_impl.cc
index f11b5d306a2b004338436d98636dd4fff1e525c3..271675f6b2aede83025cc6651a9fe95a8f836722 100644
--- a/content/browser/speech/speech_recognizer_impl.cc
+++ b/content/browser/speech/speech_recognizer_impl.cc
@@ -55,8 +55,8 @@ class SpeechRecognizerImpl::OnDataConverter
   // parameters.
   AudioConverter audio_converter_;
 
-  scoped_ptr<AudioBus> input_bus_;
-  scoped_ptr<AudioBus> output_bus_;
+  std::unique_ptr<AudioBus> input_bus_;
+  std::unique_ptr<AudioBus> output_bus_;
   const AudioParameters input_parameters_;
   const AudioParameters output_parameters_;
   bool data_was_converted_;