Convert //remoting to use std::unique_ptr

remoting/codec/audio_encoder_verbatim.cc

Index: remoting/codec/audio_encoder_verbatim.cc
diff --git a/remoting/codec/audio_encoder_verbatim.cc b/remoting/codec/audio_encoder_verbatim.cc
index 9241ce07489e48d8b62579beb744b5092050e26d..1e87eee80e33e59a3cb0ad52562c31132dccd30b 100644
--- a/remoting/codec/audio_encoder_verbatim.cc
+++ b/remoting/codec/audio_encoder_verbatim.cc
@@ -13,8 +13,8 @@ AudioEncoderVerbatim::AudioEncoderVerbatim() {}
 
 AudioEncoderVerbatim::~AudioEncoderVerbatim() {}
 
-scoped_ptr<AudioPacket> AudioEncoderVerbatim::Encode(
-    scoped_ptr<AudioPacket> packet) {
+std::unique_ptr<AudioPacket> AudioEncoderVerbatim::Encode(
+    std::unique_ptr<AudioPacket> packet) {
   DCHECK_EQ(AudioPacket::ENCODING_RAW, packet->encoding());
   DCHECK_EQ(1, packet->data_size());
   DCHECK_NE(AudioPacket::SAMPLING_RATE_INVALID, packet->sampling_rate());