use safe version of apply

auditors: @BrendanEich @diracdeltas

atom/common/api/resources/event_emitter.js

@@ -10,7 +10,7 @@ EventEmitter2.prototype.on = function (event, fn) {
 EventEmitter2.prototype.once = function (event, fn) {
   function on() {
     this.off(event, on);
-    fn.apply(this, arguments);
+    $Function.apply(fn, this, arguments)
   }
 
   on.fn = fn;
@@ -40,7 +40,7 @@ EventEmitter2.prototype.emit = function(event) {
   if (callbacks) {
     callbacks = callbacks.slice(0);
     for (var i = 0, len = callbacks.length; i < len; ++i) {
-      callbacks[i].apply(this, args);
+      $Function.apply(callbacks[i], this, args);
     }
   }
 

atom/common/api/resources/ipc_utils.js

@@ -4,30 +4,29 @@ var ipc = atom.ipc
 
 var ipcRenderer = atom.v8.getHiddenValue('ipc')
 if (!ipcRenderer) {
-  var slice = [].slice
   ipcRenderer = new EventEmitter
 
   ipcRenderer.send = function () {
     var args
-    args = 1 <= arguments.length ? slice.call(arguments, 0) : []
-    return ipc.send('ipc-message', slice.call(args))
+    args = 1 <= arguments.length ? $Array.slice(arguments, 0) : []
+    return ipc.send('ipc-message', $Array.slice(args))
   }
 
   ipcRenderer.sendSync = function () {
     var args
-    args = 1 <= arguments.length ? slice.call(arguments, 0) : []
-    return JSON.parse(ipc.sendSync('ipc-message-sync', slice.call(args)))
+    args = 1 <= arguments.length ? $Array.slice(arguments, 0) : []
+    return $JSON.parse(ipc.sendSync('ipc-message-sync', $Array.slice(args)))
   }
 
   ipcRenderer.sendToHost = function () {
     var args
-    args = 1 <= arguments.length ? slice.call(arguments, 0) : []
-    return ipc.send('ipc-message-host', slice.call(args))
+    args = 1 <= arguments.length ? $Array.slice(arguments, 0) : []
+    return ipc.send('ipc-message-host', $Array.slice(args))
   }
 
   ipcRenderer.emit = function () {
-    arguments[1] && (arguments[1].sender = ipcRenderer)
-    return EventEmitter.prototype.emit.apply(ipcRenderer, arguments)
+    arguments[1].sender = ipcRenderer
+    return $Function.apply(EventEmitter.prototype.emit, ipcRenderer, arguments)
   }
   atom.v8.setHiddenValue('ipc', ipcRenderer)
 }