bluetooth: Make BluetoothRemoteGATTCharacteristic Persistent

third_party/WebKit/LayoutTests/bluetooth/script-tests/characteristic-garbage-collection-ran-during-error.js

Index: third_party/WebKit/LayoutTests/bluetooth/script-tests/characteristic-garbage-collection-ran-during-error.js
diff --git a/third_party/WebKit/LayoutTests/bluetooth/script-tests/characteristic-garbage-collection-ran-during-error.js b/third_party/WebKit/LayoutTests/bluetooth/script-tests/characteristic-garbage-collection-ran-during-error.js
new file mode 100644
index 0000000000000000000000000000000000000000..6632e3069265e018d76743d07ab54e910bc5d17a
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/bluetooth/script-tests/characteristic-garbage-collection-ran-during-error.js
@@ -0,0 +1,25 @@
+'use strict';
+promise_test(() => {
+  let promise;
+  return setBluetoothFakeAdapter('MissingCharacteristicHeartRateAdapter')
+    .then(() => requestDeviceWithKeyDown({
+      filters: [{services: ['heart_rate']}]}))
+    .then(device => device.gatt.connect())
+    .then(gattServer => gattServer.getPrimaryService('heart_rate'))
+    .then(service => {
+      promise = assert_promise_rejects_with_message(
+        service.CALLS([
+          getCharacteristic('measurement_interval')|
+          getCharacteristics()|
+          getCharacteristics('measurement_interval')[UUID]]),
+        new DOMException(
+          'GATT Server disconnected while retrieving characteristics.',
+          'NetworkError'));
+      // Disconnect called to clear attributeInstanceMap and allow the
+      // object to get garbage collected.
+      service.device.gatt.disconnect();
+    })
+    .then(runGarbageCollection)
+    .then(() => promise);
+}, 'Garbage Collection ran during FUNCTION_NAME call that fails. ' +
+   'Should not crash');