[DeviceService] A cleanup for //device/serial

mojom::XXXPtr info(mojom::XXX::New());
==>
auto info = mojom::XXX::New();

BUG=728227

Change-Id: I583140baa7803a7628284ad16feec792e2d84634
Reviewed-on: https://chromium-review.googlesource.com/597506Reviewed-by: Reilly Grant <reillyg@chromium.org>
Commit-Queue: Han Leon <leon.han@intel.com>
Cr-Commit-Position: refs/heads/master@{#491593}

device/serial/serial_device_enumerator_linux.cc

@@ -68,7 +68,7 @@ SerialDeviceEnumeratorLinux::GetDevices() {
         udev_device_get_property_value(device.get(), kHostPathKey);
     const char* bus = udev_device_get_property_value(device.get(), kHostBusKey);
     if (path != NULL && bus != NULL) {
-      mojom::SerialDeviceInfoPtr info(mojom::SerialDeviceInfo::New());
+      auto info = mojom::SerialDeviceInfo::New();
       info->path = path;
 
       const char* vendor_id =

device/serial/serial_device_enumerator_mac.cc

@@ -119,7 +119,7 @@ std::vector<mojom::SerialDeviceInfoPtr> GetDevicesNew() {
   base::mac::ScopedIOObject<io_iterator_t> scoped_it(it);
   base::mac::ScopedIOObject<io_service_t> scoped_device;
   while (scoped_device.reset(IOIteratorNext(scoped_it.get())), scoped_device) {
-    mojom::SerialDeviceInfoPtr callout_info(mojom::SerialDeviceInfo::New());
+    auto callout_info = mojom::SerialDeviceInfo::New();
 
     uint16_t vendorId;
     if (GetUInt16Property(scoped_device.get(), CFSTR(kUSBVendorID),
@@ -192,7 +192,7 @@ std::vector<mojom::SerialDeviceInfoPtr> GetDevicesOld() {
     std::set<std::string>::const_iterator i = valid_patterns.begin();
     for (; i != valid_patterns.end(); ++i) {
       if (base::MatchPattern(next_device, *i)) {
-        mojom::SerialDeviceInfoPtr info(mojom::SerialDeviceInfo::New());
+        auto info = mojom::SerialDeviceInfo::New();
         info->path = next_device;
         devices.push_back(std::move(info));
         break;

device/serial/serial_device_enumerator_win.cc

@@ -109,7 +109,7 @@ std::vector<mojom::SerialDeviceInfoPtr> GetDevicesNew() {
       // serial device. If the COM can't be found, ignore the device.
       continue;
 
-    mojom::SerialDeviceInfoPtr info(mojom::SerialDeviceInfo::New());
+    auto info = mojom::SerialDeviceInfo::New();
     info->path = com_port;
 
     std::string display_name;
@@ -145,7 +145,7 @@ std::vector<mojom::SerialDeviceInfoPtr> GetDevicesOld() {
       HKEY_LOCAL_MACHINE, L"HARDWARE\\DEVICEMAP\\SERIALCOMM\\");
   std::vector<mojom::SerialDeviceInfoPtr> devices;
   for (; iter_key.Valid(); ++iter_key) {
-    mojom::SerialDeviceInfoPtr info(mojom::SerialDeviceInfo::New());
+    auto info = mojom::SerialDeviceInfo::New();
     info->path = base::UTF16ToASCII(iter_key.Value());
     devices.push_back(std::move(info));
   }

device/serial/serial_io_handler_posix.cc

@@ -411,8 +411,7 @@ mojom::SerialDeviceControlSignalsPtr SerialIoHandlerPosix::GetControlSignals()
     return mojom::SerialDeviceControlSignalsPtr();
   }
 
-  mojom::SerialDeviceControlSignalsPtr signals(
-      mojom::SerialDeviceControlSignals::New());
+  auto signals = mojom::SerialDeviceControlSignals::New();
   signals->dcd = (status & TIOCM_CAR) != 0;
   signals->cts = (status & TIOCM_CTS) != 0;
   signals->dsr = (status & TIOCM_DSR) != 0;
@@ -464,7 +463,7 @@ mojom::SerialConnectionInfoPtr SerialIoHandlerPosix::GetPortInfo() const {
     return mojom::SerialConnectionInfoPtr();
   }
 
-  mojom::SerialConnectionInfoPtr info(mojom::SerialConnectionInfo::New());
+  auto info = mojom::SerialConnectionInfo::New();
 #if defined(OS_LINUX)
   // Linux forces c_ospeed to contain the correct value, which is nice.
   info->bitrate = config.c_ospeed;

device/serial/serial_io_handler_win.cc

@@ -466,8 +466,7 @@ mojom::SerialDeviceControlSignalsPtr SerialIoHandlerWin::GetControlSignals()
     return mojom::SerialDeviceControlSignalsPtr();
   }
 
-  mojom::SerialDeviceControlSignalsPtr signals(
-      mojom::SerialDeviceControlSignals::New());
+  auto signals = mojom::SerialDeviceControlSignals::New();
   signals->dcd = (status & MS_RLSD_ON) != 0;
   signals->cts = (status & MS_CTS_ON) != 0;
   signals->dsr = (status & MS_DSR_ON) != 0;
@@ -501,7 +500,7 @@ mojom::SerialConnectionInfoPtr SerialIoHandlerWin::GetPortInfo() const {
     VPLOG(1) << "Failed to get serial port info";
     return mojom::SerialConnectionInfoPtr();
   }
-  mojom::SerialConnectionInfoPtr info(mojom::SerialConnectionInfo::New());
+  auto info = mojom::SerialConnectionInfo::New();
   info->bitrate = SpeedConstantToBitrate(config.BaudRate);
   info->data_bits = DataBitsConstantToEnum(config.ByteSize);
   info->parity_bit = ParityBitConstantToEnum(config.Parity);

device/serial/test_serial_io_handler.cc

@@ -80,14 +80,13 @@ bool TestSerialIoHandler::ConfigurePortImpl() {
 
 mojom::SerialDeviceControlSignalsPtr TestSerialIoHandler::GetControlSignals()
     const {
-  mojom::SerialDeviceControlSignalsPtr signals(
-      mojom::SerialDeviceControlSignals::New());
+  auto signals = mojom::SerialDeviceControlSignals::New();
   *signals = device_control_signals_;
   return signals;
 }
 
 mojom::SerialConnectionInfoPtr TestSerialIoHandler::GetPortInfo() const {
-  mojom::SerialConnectionInfoPtr info(mojom::SerialConnectionInfo::New());
+  auto info = mojom::SerialConnectionInfo::New();
   *info = info_;
   return info;
 }