Implement WebBluetooth descriptor.writeValue()

third_party/WebKit/LayoutTests/bluetooth/descriptor/readValue/gen-service-is-removed.html

Index: third_party/WebKit/LayoutTests/bluetooth/descriptor/readValue/gen-service-is-removed.html
diff --git a/third_party/WebKit/LayoutTests/bluetooth/descriptor/readValue/gen-service-is-removed.html b/third_party/WebKit/LayoutTests/bluetooth/descriptor/readValue/gen-service-is-removed.html
index 2cd9e6de947840256caba10e0ad0e1db358a4adf..eb7f24eba47def762c7252a98a717127586cf227 100644
--- a/third_party/WebKit/LayoutTests/bluetooth/descriptor/readValue/gen-service-is-removed.html
+++ b/third_party/WebKit/LayoutTests/bluetooth/descriptor/readValue/gen-service-is-removed.html
@@ -8,23 +8,21 @@
 promise_test(() => {
   let val = new Uint8Array([1]);
   return setBluetoothFakeAdapter('DisconnectingHealthThermometerAdapter')
-      .then(
-          () => requestDeviceWithKeyDown(
-              {filters: [{services: ['health_thermometer']}]}))
-      .then(device => device.gatt.connect())
-      .then(gattServer => gattServer.getPrimaryService('health_thermometer'))
-      .then(service => service.getCharacteristic('measurement_interval'))
-      .then(
-          characteristic => characteristic.getDescriptor(user_description.name))
-      .then(descriptor => {
-        return setBluetoothFakeAdapter('MissingServiceHeartRateAdapter')
-            .then(
-                () => assert_promise_rejects_with_message(
-                    descriptor.readValue(),
-                    new DOMException(
-                        'GATT Service no longer exists.', 'InvalidStateError'),
-                    'Service got removed.'));
-      });
+    .then(() => requestDeviceWithKeyDown({
+      filters: [{services: ['health_thermometer']}]}))
+    .then(device => device.gatt.connect())
+    .then(gattServer => gattServer.getPrimaryService('health_thermometer'))
+    .then(service => service.getCharacteristic('measurement_interval'))
+    .then(characteristic => characteristic.getDescriptor(user_description.name))
+    .then(descriptor => {
+      return setBluetoothFakeAdapter('MissingServiceHeartRateAdapter')
+        .then(() => assert_promise_rejects_with_message(
+          descriptor.readValue(),
+          new DOMException(
+            'GATT Service no longer exists.',
+            'InvalidStateError'),
+          'Service got removed.'));
+    });
 }, 'Service gets removed. Reject with InvalidStateError.');
 
 </script>