bluetooth: Create Mojo equivalent of SetBluetoothMockDataSet

third_party/WebKit/LayoutTests/bluetooth/getCharacteristics/device-goes-out-of-range.html

Index: third_party/WebKit/LayoutTests/bluetooth/getCharacteristics/device-goes-out-of-range.html
diff --git a/third_party/WebKit/LayoutTests/bluetooth/getCharacteristics/device-goes-out-of-range.html b/third_party/WebKit/LayoutTests/bluetooth/getCharacteristics/device-goes-out-of-range.html
index ba9a8e8cc419f64713dfb5832c5d2422436198b5..d4ff49771ad9e9caafcdb556dd9634b1a0a8e889 100644
--- a/third_party/WebKit/LayoutTests/bluetooth/getCharacteristics/device-goes-out-of-range.html
+++ b/third_party/WebKit/LayoutTests/bluetooth/getCharacteristics/device-goes-out-of-range.html
@@ -5,17 +5,18 @@
 <script>
 'use strict';
 promise_test(() => {
-  testRunner.setBluetoothMockDataSet('HeartRateAdapter');
-  return requestDeviceWithKeyDown({filters: [{services: ['heart_rate']}]})
+  return setBluetoothFakeAdapter('HeartRateAdapter')
+    .then(() => requestDeviceWithKeyDown({
+      filters: [{services: ['heart_rate']}]}))
     .then(device => device.gatt.connect())
     .then(gattServer => gattServer.getPrimaryService('heart_rate'))
     .then(service => {
-      testRunner.setBluetoothMockDataSet('EmptyAdapter');
-      return assert_promise_rejects_with_message(
-        service.getCharacteristics(),
-        new DOMException('Bluetooth Device is no longer in range.',
-                         'NetworkError'),
-        'Device went out of range.');
+      return setBluetoothFakeAdapter('EmptyAdapter')
+        .then(() => assert_promise_rejects_with_message(
+          service.getCharacteristics(),
+          new DOMException('Bluetooth Device is no longer in range.',
+                           'NetworkError'),
+          'Device went out of range.'));
     });
 }, 'Device goes out of range. Reject with NetworkError.');
 </script>