Convert //chromecast from scoped_ptr to std::unique_ptr

chromecast/media/cma/backend/alsa/stream_mixer_alsa.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chromecast/media/cma/backend/alsa/stream_mixer_alsa.h"
 
 #include <algorithm>
 #include <cmath>
 #include <limits>
 #include <utility>
@@ skipping 528 matching lines @@
   pcm_ = nullptr;
 }
 
 void StreamMixerAlsa::SignalError() {
   state_ = kStateError;
   for (InputQueue* input : inputs_)
     input->SignalError();
 }
 
 void StreamMixerAlsa::SetAlsaWrapperForTest(
-    scoped_ptr<AlsaWrapper> alsa_wrapper) {
+    std::unique_ptr<AlsaWrapper> alsa_wrapper) {
   if (alsa_) {
     Stop();
     ClosePcm();
   }
   alsa_ = std::move(alsa_wrapper);
 }
 
 void StreamMixerAlsa::WriteFramesForTest() {
   RUN_ON_MIXER_THREAD(&StreamMixerAlsa::WriteFramesForTest);
   WriteFrames();
 }
 
 void StreamMixerAlsa::ClearInputsForTest() {
   RUN_ON_MIXER_THREAD(&StreamMixerAlsa::ClearInputsForTest);
   inputs_.clear();
 }
 
-void StreamMixerAlsa::AddInput(scoped_ptr<InputQueue> input) {
+void StreamMixerAlsa::AddInput(std::unique_ptr<InputQueue> input) {
   RUN_ON_MIXER_THREAD(&StreamMixerAlsa::AddInput,
                       base::Passed(std::move(input)));
   if (!alsa_)
     alsa_.reset(new AlsaWrapper());
 
   DCHECK(input);
   // If the new input is a primary one, we may need to change the output
   // sample rate to match its input sample rate.
   // We only change the output rate if it is not set to a fixed value.
   if (input->primary() &&
@@ skipping 244 matching lines @@
   DCHECK(std::find(loopback_observers_.begin(), loopback_observers_.end(),
                    observer) != loopback_observers_.end());
   loopback_observers_.erase(std::remove(loopback_observers_.begin(),
                                         loopback_observers_.end(), observer),
                             loopback_observers_.end());
   observer->OnRemoved();
 }
 
 }  // namespace media
 }  // namespace chromecast