bluetooth: Subscribe to notifications

third_party/WebKit/LayoutTests/bluetooth/resources/bluetooth-helpers.js

 'use strict';
 
 // Sometimes we need to test that using either the name, alias, or UUID
 // produces the same result. The following objects help us do that.
 var generic_access = {
   alias: 0x1800,
   name: 'generic_access',
   uuid: '00001800-0000-1000-8000-00805f9b34fb'
 };
 var device_name = {
@@ skipping 105 matching lines @@
     assert_true(!!match, event + "isn't an add-device event: " + description);
     this._idsByName.set(match[1], match[2]);
   }
   has(name) {
     return this._idsByName.has(name);
   }
   get(name) {
     return this._idsByName.get(name);
   }
 }
+
+function runGarbageCollection()
+{
+  // Run gc() as a promise.
+  return new Promise(
+      function(resolve, reject) {
+        GCController.collect();
+        setTimeout(resolve, 0);
+      });
+  return Promise.resolve();
+}