1 files changed, 0 insertions, 65 deletions
diff --git a/services/cloudsync/CloudSyncEventSource.jsm b/services/cloudsync/CloudSyncEventSource.jsm
deleted file mode 100644
index edb9c426b..000000000
--- a/services/cloudsync/CloudSyncEventSource.jsm
+++ /dev/null
@@ -1,65 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-this.EXPORTED_SYMBOLS = ["EventSource"];
-
-Components.utils.import("resource://services-common/utils.js");
-
-var EventSource = function (types, suspendFunc, resumeFunc) {
-  this.listeners = new Map();
-  for (let type of types) {
-    this.listeners.set(type, new Set());
-  }
-
-  this.suspend = suspendFunc || function () {};
-  this.resume = resumeFunc || function () {};
-
-  this.addEventListener = this.addEventListener.bind(this);
-  this.removeEventListener = this.removeEventListener.bind(this);
-};
-
-EventSource.prototype = {
-  addEventListener: function (type, listener) {
-    if (!this.listeners.has(type)) {
-      return;
-    }
-    this.listeners.get(type).add(listener);
-    this.resume();
-  },
-
-  removeEventListener: function (type, listener) {
-    if (!this.listeners.has(type)) {
-      return;
-    }
-    this.listeners.get(type).delete(listener);
-    if (!this.hasListeners()) {
-      this.suspend();
-    }
-  },
-
-  hasListeners: function () {
-    for (let l of this.listeners.values()) {
-      if (l.size > 0) {
-        return true;
-      }
-    }
-    return false;
-  },
-
-  emit: function (type, arg) {
-    if (!this.listeners.has(type)) {
-      return;
-    }
-    CommonUtils.nextTick(
-      function () {
-        for (let listener of this.listeners.get(type)) {
-          listener.call(undefined, arg);
-        }
-      },
-      this
-    );
-  },
-};
-
-this.EventSource = EventSource;