Switch to standard integer types in ash/.

ash/system/chromeos/bluetooth/bluetooth_notification_controller.cc

Index: ash/system/chromeos/bluetooth/bluetooth_notification_controller.cc
diff --git a/ash/system/chromeos/bluetooth/bluetooth_notification_controller.cc b/ash/system/chromeos/bluetooth/bluetooth_notification_controller.cc
index b0efc48793e4f56770eff706029d4a9321ac43eb..bb8164da841b9911018bbdd06a568ff16b838743 100644
--- a/ash/system/chromeos/bluetooth/bluetooth_notification_controller.cc
+++ b/ash/system/chromeos/bluetooth/bluetooth_notification_controller.cc
@@ -209,7 +209,7 @@ void BluetoothNotificationController::DisplayPinCode(
 }
 
 void BluetoothNotificationController::DisplayPasskey(BluetoothDevice* device,
-                                                     uint32 passkey) {
+                                                     uint32_t passkey) {
   base::string16 message = l10n_util::GetStringFUTF16(
           IDS_ASH_STATUS_TRAY_BLUETOOTH_DISPLAY_PASSKEY,
           device->GetName(), base::UTF8ToUTF16(
@@ -219,12 +219,12 @@ void BluetoothNotificationController::DisplayPasskey(BluetoothDevice* device,
 }
 
 void BluetoothNotificationController::KeysEntered(BluetoothDevice* device,
-                                                  uint32 entered) {
+                                                  uint32_t entered) {
   // Ignored since we don't have CSS in the notification to update.
 }
 
 void BluetoothNotificationController::ConfirmPasskey(BluetoothDevice* device,
-                                                     uint32 passkey) {
+                                                     uint32_t passkey) {
   base::string16 message = l10n_util::GetStringFUTF16(
           IDS_ASH_STATUS_TRAY_BLUETOOTH_CONFIRM_PASSKEY,
           device->GetName(), base::UTF8ToUTF16(