172 function ObserverCreate(callback, acceptList) {  argument
174     return callback;
176   observer.callback = callback;
182   return IS_SPEC_FUNCTION(observer) ? observer : observer.callback;
235          typeof changeObservers.callback === 'function';
245     var callback = ObserverGetCallback(observer);
246     var callbackInfo = CallbackInfoGet(callback);
253 function ObjectInfoAddObserver(objectInfo, callback, acceptList) {  argument
254   var callbackInfo = CallbackInfoGetOrCreate(callback);
255   var observer = ObserverCreate(callback, acceptList);
267 function ObjectInfoRemoveObserver(objectInfo, callback) {  argument
272     if (callback === ObserverGetCallback(objectInfo.changeObservers))
277   var callbackInfo = CallbackInfoGet(callback);
330 function CallbackInfoGet(callback) {  argument
331   return GetCallbackInfoMap().get(callback);
334 function CallbackInfoGetOrCreate(callback) {  argument
335   var callbackInfo = GetCallbackInfoMap().get(callback);
340   GetCallbackInfoMap().set(callback, priority);
351 function CallbackInfoNormalize(callback) {  argument
352   var callbackInfo = GetCallbackInfoMap().get(callback);
357     GetCallbackInfoMap().set(callback, callbackInfo);
362 function ObjectObserve(object, callback, acceptList) {  argument
367   if (!IS_SPEC_FUNCTION(callback))
369   if (ObjectIsFrozen(callback))
373   return objectObserveFn(object, callback, acceptList);
376 function NativeObjectObserve(object, callback, acceptList) {  argument
379   ObjectInfoAddObserver(objectInfo, callback, typeList);
383 function ObjectUnobserve(object, callback) {  argument
388   if (!IS_SPEC_FUNCTION(callback))
395   ObjectInfoRemoveObserver(objectInfo, callback);
399 function ArrayObserve(object, callback) {  argument
400   return ObjectObserve(object, callback, ['add',
406 function ArrayUnobserve(object, callback) {  argument
407   return ObjectUnobserve(object, callback);
416   var callback = ObserverGetCallback(observer);
417   if (!%ObserverObjectAndRecordHaveSameOrigin(callback, changeRecord.object,
422   var callbackInfo = CallbackInfoNormalize(callback);
438   GetPendingObservers()[callbackInfo.priority] = callback;
596 function CallbackDeliverPending(callback) {  argument
597   var callbackInfo = GetCallbackInfoMap().get(callback);
604   GetCallbackInfoMap().set(callback, priority);
613     %_CallFunction(UNDEFINED, delivered, callback);
618 function ObjectDeliverChangeRecords(callback) {  argument
619   if (!IS_SPEC_FUNCTION(callback))
622   while (CallbackDeliverPending(callback)) {}