Remove all of the CrOS Ozone configs from MB.

chrome/browser/chromeos/login/bluetooth_host_pairing_browsertest.cc

Index: chrome/browser/chromeos/login/bluetooth_host_pairing_browsertest.cc
diff --git a/chrome/browser/chromeos/login/bluetooth_host_pairing_browsertest.cc b/chrome/browser/chromeos/login/bluetooth_host_pairing_browsertest.cc
index c662be27af8e349bf4e5f3337b1154ce102623b6..3f9951e54ed2743c7de180933477bb46240852c1 100644
--- a/chrome/browser/chromeos/login/bluetooth_host_pairing_browsertest.cc
+++ b/chrome/browser/chromeos/login/bluetooth_host_pairing_browsertest.cc
@@ -161,7 +161,7 @@ class BluetoothHostPairingNoInputTest : public OobeBaseTest {
   pairing_chromeos::BluetoothHostPairingController* controller_ = nullptr;
 
   bluez::FakeBluetoothDeviceClient* fake_bluetooth_device_client_ = nullptr;
-  base::MessageLoop message_loop_;
+  base::MessageLoopForUI message_loop_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothHostPairingNoInputTest);
 };