Implement WebBluetooth getDescriptor[s]

third_party/WebKit/LayoutTests/bluetooth/script-tests/characteristic/descriptor-service-is-removed.js

Index: third_party/WebKit/LayoutTests/bluetooth/script-tests/characteristic/descriptor-service-is-removed.js
diff --git a/third_party/WebKit/LayoutTests/bluetooth/script-tests/characteristic/descriptor-service-is-removed.js b/third_party/WebKit/LayoutTests/bluetooth/script-tests/characteristic/descriptor-service-is-removed.js
new file mode 100644
index 0000000000000000000000000000000000000000..a19afb2aa035dc7477cbf8cc47e79e24ebc14ffc
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/bluetooth/script-tests/characteristic/descriptor-service-is-removed.js
@@ -0,0 +1,20 @@
+'use strict';
+promise_test(() => {

[ortuno, 2016/12/07 08:05:13]

Same here. 'service-is-removed.js' with a todo to add the rest of the functions.

[dougt, 2016/12/07 19:48:57]

Done.

+  return setBluetoothFakeAdapter('DisconnectingHealthThermometerAdapter')
+    .then(() => requestDeviceWithKeyDown({
+      filters: [{services: ['health_thermometer']}],
+      optionalServices: ['generic_access']}))

[ortuno, 2016/12/07 08:05:13]

no need for generic access.

[dougt, 2016/12/07 19:48:57]

Done.

+    .then(device => device.gatt.connect())
+    .then(gattService => gattService.getPrimaryService('health_thermometer'))
+    .then(service => service.getCharacteristic('measurement_interval'))
+    .then(characteristic => {
+      return setBluetoothFakeAdapter('MissingServiceHeartRateAdapter')

[ortuno, 2016/12/07 08:05:13]

I'm surprised this work. This should really be
MissingServiceHealthThermometerAdapter.

[dougt, 2016/12/07 19:48:58]

Done.

+        .then(() => assert_promise_rejects_with_message(
+          characteristic.CALLS([
+            getDescriptor(user_description.name)|
+            getDescriptors(user_description.name)]),
+          new DOMException('GATT Service no longer exists.',
+                           'InvalidStateError'),
+          'Service got removed.'));
+    });
+}, 'Service is removed. Reject with InvalidStateError.');