mojo: Remove Pass() from MOJO_MOVE_ONLY_TYPE

The code that used this method has been replaced by std::move(),
including in base's bind/callback, with the last few uses removed in
this CL. So delete this now-obsolete method.

R=yzshen@chromium.org,rockot@chromium.org
BUG=557422,561752

Review URL: https://codereview.chromium.org/1576283002

Cr-Commit-Position: refs/heads/master@{#369279}

2 files changed, 8 insertions, 8 deletions

diff --git a/device/serial/serial_device_enumerator_win.cc b/device/serial/serial_device_enumerator_win.cc
index fe735af..79c4001 100644
--- a/device/serial/serial_device_enumerator_win.cc
+++ b/device/serial/serial_device_enumerator_win.cc
@@ -93,7 +93,7 @@ mojo::Array<serial::DeviceInfoPtr> GetDevicesNew() {
   HDEVINFO dev_info =
       SetupDiGetClassDevs(&GUID_DEVCLASS_PORTS, 0, 0, DIGCF_PRESENT);
   if (dev_info == INVALID_HANDLE_VALUE)
-    return devices.Pass();
+    return devices;
 
   SP_DEVINFO_DATA dev_info_data;
   dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA);
@@ -128,11 +128,11 @@ mojo::Array<serial::DeviceInfoPtr> GetDevicesNew() {
       }
     }
 
-    devices.push_back(info.Pass());
+    devices.push_back(std::move(info));
   }
 
   SetupDiDestroyDeviceInfoList(dev_info);
-  return devices.Pass();
+  return devices;
 }
 
 // Returns an array of devices as retrieved through the old method of
@@ -145,9 +145,9 @@ mojo::Array<serial::DeviceInfoPtr> GetDevicesOld() {
   for (; iter_key.Valid(); ++iter_key) {
     serial::DeviceInfoPtr info(serial::DeviceInfo::New());
     info->path = base::UTF16ToASCII(iter_key.Value());
-    devices.push_back(info.Pass());
+    devices.push_back(std::move(info));
   }
-  return devices.Pass();
+  return devices;
 }
 
 }  // namespace
@@ -186,7 +186,7 @@ mojo::Array<serial::DeviceInfoPtr> SerialDeviceEnumeratorWin::GetDevices() {
   mojo::Array<serial::DeviceInfoPtr> devices;
   deviceMap.DecomposeMapTo(&paths, &devices);
 
-  return devices.Pass();
+  return devices;
 }
 
 }  // namespace device
diff --git a/device/serial/serial_io_handler_win.cc b/device/serial/serial_io_handler_win.cc
index f95c3a0..dec9450 100644
--- a/device/serial/serial_io_handler_win.cc
+++ b/device/serial/serial_io_handler_win.cc
@@ -477,7 +477,7 @@ serial::DeviceControlSignalsPtr SerialIoHandlerWin::GetControlSignals() const {
   signals->cts = (status & MS_CTS_ON) != 0;
   signals->dsr = (status & MS_DSR_ON) != 0;
   signals->ri = (status & MS_RING_ON) != 0;
-  return signals.Pass();
+  return signals;
 }
 
 bool SerialIoHandlerWin::SetControlSignals(
@@ -512,7 +512,7 @@ serial::ConnectionInfoPtr SerialIoHandlerWin::GetPortInfo() const {
   info->parity_bit = ParityBitConstantToEnum(config.Parity);
   info->stop_bits = StopBitsConstantToEnum(config.StopBits);
   info->cts_flow_control = config.fOutxCtsFlow != 0;
-  return info.Pass();
+  return info;
 }
 
 bool SerialIoHandlerWin::SetBreak() {