Convert Pass()→std::move() in //media

media/midi/midi_manager_alsa.h

 // Copyright 2014 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.
 
 #ifndef MEDIA_MIDI_MIDI_MANAGER_ALSA_H_
 #define MEDIA_MIDI_MIDI_MANAGER_ALSA_H_
 
 #include <alsa/asoundlib.h>
 #include <stdint.h>
 #include <map>
+#include <utility>
 #include <vector>
 
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/thread.h"
 #include "base/values.h"
 #include "device/udev_linux/scoped_udev.h"
 #include "media/midi/midi_export.h"
@@ skipping 168 matching lines @@
 
     // Given a port, finds a disconnected port, using heuristic matching.
     iterator FindDisconnected(const MidiPort& port);
 
     iterator begin() { return ports_.begin(); }
     iterator end() { return ports_.end(); }
 
    protected:
     MidiPortStateBase();
     iterator erase(iterator position) { return ports_.erase(position); }
-    void push_back(scoped_ptr<MidiPort> port) { ports_.push_back(port.Pass()); }
+    void push_back(scoped_ptr<MidiPort> port) {
+      ports_.push_back(std::move(port));
+    }
 
    private:
     std::vector<scoped_ptr<MidiPort>> ports_;
 
     DISALLOW_COPY_AND_ASSIGN(MidiPortStateBase);
   };
 
   class TemporaryMidiPortState final : public MidiPortStateBase {
    public:
     iterator erase(iterator position) {
       return MidiPortStateBase::erase(position);
     };
     void push_back(scoped_ptr<MidiPort> port) {
-      MidiPortStateBase::push_back(port.Pass());
+      MidiPortStateBase::push_back(std::move(port));
     }
   };
 
   class MidiPortState final : public MidiPortStateBase {
    public:
     MidiPortState();
 
     // Inserts a port at the end. Returns web_port_index.
     uint32_t push_back(scoped_ptr<MidiPort> port);
 
@@ skipping 203 matching lines @@
   bool event_thread_shutdown_ = false;  // guarded by shutdown_lock_
   base::Lock shutdown_lock_;            // guards event_thread_shutdown_
 
   DISALLOW_COPY_AND_ASSIGN(MidiManagerAlsa);
 };
 
 }  // namespace midi
 }  // namespace media
 
 #endif  // MEDIA_MIDI_MIDI_MANAGER_ALSA_H_