Remove calls to deprecated MessageLoop methods in device.

device/bluetooth/bluez/bluetooth_advertisement_bluez_unittest.cc

Index: device/bluetooth/bluez/bluetooth_advertisement_bluez_unittest.cc
diff --git a/device/bluetooth/bluez/bluetooth_advertisement_bluez_unittest.cc b/device/bluetooth/bluez/bluetooth_advertisement_bluez_unittest.cc
index 0d18e15aa1325eae2686d8f04d7517f54d785f91..bc10c5f14de2a63f4c9a12cd6c18b1c1c124af02 100644
--- a/device/bluetooth/bluez/bluetooth_advertisement_bluez_unittest.cc
+++ b/device/bluetooth/bluez/bluetooth_advertisement_bluez_unittest.cc
@@ -124,7 +124,7 @@ class BluetoothAdvertisementBlueZTest : public testing::Test {
         base::Bind(&BluetoothAdvertisementBlueZTest::AdvertisementErrorCallback,
                    base::Unretained(this)));
 
-    message_loop_.RunUntilIdle();
+    base::RunLoop().RunUntilIdle();
     return advertisement_;
   }
 
@@ -136,7 +136,7 @@ class BluetoothAdvertisementBlueZTest : public testing::Test {
         base::Bind(&BluetoothAdvertisementBlueZTest::AdvertisementErrorCallback,
                    base::Unretained(this)));
 
-    message_loop_.RunUntilIdle();
+    base::RunLoop().RunUntilIdle();
   }
 
   void TriggerReleased(scoped_refptr<BluetoothAdvertisement> advertisement) {