Enable WebBluetooth LayoutTests for notifications on MacOS

third_party/WebKit/Source/modules/bluetooth/BluetoothRemoteGATTCharacteristic.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/bluetooth/BluetoothRemoteGATTCharacteristic.h"
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "core/dom/DOMDataView.h"
 #include "core/dom/DOMException.h"
@@ skipping 350 matching lines @@
   ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
   ScriptPromise promise = resolver->promise();
   webbluetooth->startNotifications(
       m_webCharacteristic->characteristicInstanceID,
       new NotificationsCallback(this, resolver));
   return promise;
 }
 
 ScriptPromise BluetoothRemoteGATTCharacteristic::stopNotifications(
     ScriptState* scriptState) {
-#if OS(MACOSX)
-  // TODO(jlebel): Remove when stopNotifications is implemented.
-  return ScriptPromise::rejectWithDOMException(
-      scriptState, DOMException::create(NotSupportedError,
-                                        "stopNotifications is not implemented "
-                                        "yet. See https://goo.gl/J6ASzs"));
-#endif  // OS(MACOSX)
-
   if (!gatt()->connected()) {
     return ScriptPromise::rejectWithDOMException(
         scriptState,
         DOMException::create(NetworkError, kGATTServerNotConnected));
   }
 
   if (!gatt()->device()->isValidCharacteristic(
           m_webCharacteristic->characteristicInstanceID)) {
     return ScriptPromise::rejectWithDOMException(
         scriptState,
@@ skipping 11 matching lines @@
 
 DEFINE_TRACE(BluetoothRemoteGATTCharacteristic) {
   visitor->trace(m_service);
   visitor->trace(m_properties);
   visitor->trace(m_value);
   EventTargetWithInlineData::trace(visitor);
   ActiveDOMObject::trace(visitor);
 }
 
 }  // namespace blink