Enable WebBluetooth LayoutTests for notifications on MacOS.

In Bug 607822, many MacOS tests were disabled because the underlying implementation not ready. We have since fixed many bugs, and notifications seem to be working fine. This patch removes all of web bluetooth TestExceptions and re-enables notifications on the MacOS

BUG=673147

Review-Url: https://codereview.chromium.org/2569593002
Cr-Commit-Position: refs/heads/master@{#437975}

third_party/WebKit/LayoutTests/TestExpectations

@@ -1645,34 +1645,6 @@ crbug.com/605059 [ Retina ] fast/text/international/rtl-negative-letter-spacing.
 
 crbug.com/610464 [ Linux Win7 Debug ] inspector/components/throttler.html [ Failure Pass ]
 
-# TODO(jlebel): Remove when methods are implemented.
-crbug.com/624019 [ Mac ] bluetooth/characteristic/notifications/add-multiple-event-listeners.html [ Skip ]
-crbug.com/624019 [ Mac ] bluetooth/characteristic/notifications/concurrent-stops.html [ Skip ]
-crbug.com/624019 [ Mac ] bluetooth/characteristic/notifications/event-after-starting.html [ Skip ]
-crbug.com/624019 [ Mac ] bluetooth/characteristic/notifications/gc-with-pending-stop.html [ Skip ]
-crbug.com/624019 [ Mac ] bluetooth/characteristic/notifications/parallel-start-stop.html [ Skip ]
-crbug.com/624019 [ Mac ] bluetooth/characteristic/notifications/start-before-stop-resolves.html [ Skip ]
-crbug.com/624019 [ Mac ] bluetooth/characteristic/notifications/start-stop-start-stop.html [ Skip ]
-crbug.com/624019 [ Mac ] bluetooth/characteristic/notifications/start-succeeds.html [ Skip ]
-crbug.com/624019 [ Mac ] bluetooth/characteristic/notifications/stop-after-start-succeeds.html [ Skip ]
-crbug.com/624019 [ Mac ] bluetooth/characteristic/notifications/stop-twice.html [ Skip ]
-crbug.com/624019 [ Mac ] bluetooth/characteristic/notifications/stop-without-starting.html [ Skip ]
-crbug.com/624019 [ Mac ] bluetooth/characteristic/stopNotifications/gen-gatt-op-device-disconnects-before.html [ Skip ]
-crbug.com/624019 [ Mac ] bluetooth/characteristic/stopNotifications/device-reconnects-during-success.html [ Skip ]
-crbug.com/624019 [ Mac ] bluetooth/characteristic/stopNotifications/reconnect-during-success.html [ Skip ]
-crbug.com/624019 [ Mac ] bluetooth/characteristic/stopNotifications/gen-gatt-op-device-disconnects-during-success.html [ Skip ]
-crbug.com/624019 [ Mac ] bluetooth/characteristic/stopNotifications/gen-gatt-op-disconnect-called-during-success.html [ Skip ]
-crbug.com/624019 [ Mac ] bluetooth/characteristic/stopNotifications/gen-gatt-op-disconnect-called-before.html [ Skip ]
-crbug.com/624019 [ Mac ] bluetooth/characteristic/stopNotifications/gen-gatt-op-garbage-collection-ran-during-success.html [ Skip ]
-crbug.com/624019 [ Mac ] bluetooth/service/getCharacteristics/gen-device-disconnects-invalidates-objects.html [ Skip ]
-crbug.com/624019 [ Mac ] bluetooth/service/getCharacteristics/gen-disconnect-invalidates-objects-with-uuid.html [ Skip ]
-crbug.com/624019 [ Mac ] bluetooth/service/getCharacteristic/gen-device-disconnects-invalidates-objects.html [ Skip ]
-crbug.com/624019 [ Mac ] bluetooth/service/getCharacteristics/gen-disconnect-invalidates-objects.html [ Skip ]
-crbug.com/624019 [ Mac ] bluetooth/service/getCharacteristics/gen-device-disconnects-invalidates-objects-with-uuid.html [ Skip ]
-crbug.com/624019 [ Mac ] bluetooth/service/getCharacteristic/gen-disconnect-invalidates-objects.html [ Skip ]
-
-
-
 crbug.com/487344 paint/invalidation/video-paint-invalidation.html [ Failure ]
 crbug.com/487344 virtual/spinvalidation/paint/invalidation/video-paint-invalidation.html [ Skip ]
 crbug.com/487344 [ Win ] compositing/video/video-controls-layer-creation.html [ Pass Failure ]

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

@@ -368,14 +368,6 @@ ScriptPromise BluetoothRemoteGATTCharacteristic::startNotifications(
 
 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,