fix(module): fix #875, can disable requestAnimationFrame (#876)

Author: JiaLiPassion

MODULE.md

@@ -34,6 +34,7 @@ Below is the full list of current support modules.
 |--|--|--|
 |on_property|target.onProp will become zone aware target.addEventListener(prop)|__Zone_disable_on_property = true|
 |timers|setTimeout/setInterval/setImmediate will be patched as Zone MacroTask|__Zone_disable_timer = true|
+|requestAnimationFrame|requestAnimationFrame will be patched as Zone MacroTask|__Zone_disable_requestAnimationFrame = true|
 |blocking|alert/prompt/confirm will be patched as Zone.run|__Zone_disable_blocking = true|
 |EventTarget|target.addEventListener will be patched as Zone aware EventTask|__Zone_disable_EventTarget = true|
 |IE BrowserTools check|in IE, browser tool will not use zone patched eventListener|__Zone_disable_IE_check = true|

lib/browser/browser.ts

@@ -25,6 +25,9 @@ Zone.__load_patch('timers', (global: any, Zone: ZoneType, api: _ZonePrivate) =>
   patchTimer(global, set, clear, 'Timeout');
   patchTimer(global, set, clear, 'Interval');
   patchTimer(global, set, clear, 'Immediate');
+});
+
+Zone.__load_patch('requestAnimationFrame', (global: any, Zone: ZoneType, api: _ZonePrivate) => {
   patchTimer(global, 'request', 'cancel', 'AnimationFrame');
   patchTimer(global, 'mozRequest', 'mozCancel', 'AnimationFrame');
   patchTimer(global, 'webkitRequest', 'webkitCancel', 'AnimationFrame');