Do not use vector<scoped_ptr<>>.

media/midi/midi_manager_win.cc

 // Copyright 2013 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 "media/midi/midi_manager_win.h"
 
 #include <windows.h>
 
 // Prevent unnecessary functions from being included from <mmsystem.h>
 #define MMNODRV
@@ skipping 500 matching lines @@
     scoped_ptr<InDeviceInfo> in_device(InDeviceInfo::Create(this, device_id));
     if (!in_device)
       continue;
     MidiPortInfo info(
         base::IntToString(static_cast<int>(device_id)),
         "",
         base::WideToUTF8(caps.szPname),
         base::IntToString(static_cast<int>(caps.vDriverVersion)));
     AddInputPort(info);
     in_device->set_port_index(inport_index++);
-    in_devices_.push_back(in_device.Pass());
+    in_devices_.push_back(in_device.release());
   }
 
   const UINT num_out_devices = midiOutGetNumDevs();
   out_devices_.reserve(num_out_devices);
   for (UINT device_id = 0; device_id < num_out_devices; ++device_id) {
     MIDIOUTCAPS caps = {};
     MMRESULT result = midiOutGetDevCaps(device_id, &caps, sizeof(caps));
     if (result != MMSYSERR_NOERROR) {
       DLOG(ERROR) << "Failed to obtain output device info: "
                   << GetOutErrorMessage(result);
       continue;
     }
     scoped_ptr<OutDeviceInfo> out_port(OutDeviceInfo::Create(device_id));
     if (!out_port)
       continue;
     MidiPortInfo info(
         base::IntToString(static_cast<int>(device_id)),
         "",
         base::WideToUTF8(caps.szPname),
         base::IntToString(static_cast<int>(caps.vDriverVersion)));
     AddOutputPort(info);
-    out_devices_.push_back(out_port.Pass());
+    out_devices_.push_back(out_port.release());
   }
 
   CompleteInitialization(MIDI_OK);
 }
 
 MidiManagerWin::~MidiManagerWin() {
   // Cleanup order is important. |send_thread_| must be stopped before
   // |out_devices_| is cleared.
   for (auto& device : out_devices_)
     device->Quit();
@@ skipping 14 matching lines @@
   if (timestamp != 0.0) {
     base::TimeTicks time_to_send =
         base::TimeTicks() + base::TimeDelta::FromMicroseconds(
             timestamp * base::Time::kMicrosecondsPerSecond);
     delay = std::max(time_to_send - base::TimeTicks::Now(), base::TimeDelta());
   }
 
   if (!send_thread_.IsRunning())
     send_thread_.Start();
 
-  OutDeviceInfo* out_port = out_devices_[port_index].get();
+  OutDeviceInfo* out_port = out_devices_[port_index];
   send_thread_.message_loop()->PostDelayedTask(
       FROM_HERE,
       base::Bind(&OutDeviceInfo::Send, base::Unretained(out_port), data),
       delay);
 
   // Call back AccumulateMidiBytesSent() on |send_thread_| to emulate the
   // behavior of MidiManagerMac::SendMidiData.
   // TODO(yukawa): Do this task in a platform-independent way if possible.
   // See crbug.com/325810.
   send_thread_.message_loop()->PostTask(
       FROM_HERE,
       base::Bind(&MidiManagerClient::AccumulateMidiBytesSent,
                  base::Unretained(client), data.size()));
 }
 
 MidiManager* MidiManager::Create() {
   return new MidiManagerWin();
 }
 
 }  // namespace media