Use std::move() instead of .Pass() in remoting/host

remoting/host/audio_pump_unittest.cc

Index: remoting/host/audio_pump_unittest.cc
diff --git a/remoting/host/audio_pump_unittest.cc b/remoting/host/audio_pump_unittest.cc
index 8d0ac5d57acf928feadb5e7fea6cab1b603af38a..da9f16acbbdd8a0659b9187890885ec89d83a177 100644
--- a/remoting/host/audio_pump_unittest.cc
+++ b/remoting/host/audio_pump_unittest.cc
@@ -21,7 +21,7 @@ namespace {
 scoped_ptr<AudioPacket> MakeAudioPacket() {
   scoped_ptr<AudioPacket> packet(new AudioPacket);
   packet->add_data()->resize(1000);
-  return packet.Pass();
+  return packet;
 }
 
 }  // namespace
@@ -50,7 +50,7 @@ class FakeAudioEncoder : public AudioEncoder {
   ~FakeAudioEncoder() override {}
 
   scoped_ptr<AudioPacket> Encode(scoped_ptr<AudioPacket> packet) override {
-    return packet.Pass();
+    return packet;
   }
   int GetBitrate() override {
     return 160000;
@@ -105,7 +105,7 @@ void AudioPumpTest::TearDown() {
 void AudioPumpTest::ProcessAudioPacket(
     scoped_ptr<AudioPacket> audio_packet,
     const base::Closure& done) {
-  sent_packets_.push_back(audio_packet.Pass());
+  sent_packets_.push_back(std::move(audio_packet));
   done_closures_.push_back(done);
 }