Move immediates to React batchedUpdates

Reviewed By: @jspahrsummers

Differential Revision: D2484935

Libraries/Utilities/MessageQueue.js

@@ -83,11 +83,19 @@ class MessageQueue {
             '__callFunction' : '__invokeCallback';
           guard(() => this[method].apply(this, call.args));
         });
-        BridgeProfiling.profile('ReactUpdates.batchedUpdates()');
+
+        this.__callImmediates();
       });
-      BridgeProfiling.profileEnd();
+
+      // batchedUpdates might still trigger setImmediates
+      while (JSTimersExecution.immediates.length) {
+        ReactUpdates.batchedUpdates(() => {
+          this.__callImmediates();
+        });
+      }
     });
-    return this.flushedQueue();
+
+    return this.__flushedQueue();
   }
 
   callFunctionReturnFlushedQueue(module, method, args) {
@@ -101,17 +109,25 @@ class MessageQueue {
   }
 
   flushedQueue() {
+    this.__callImmediates();
+    return this.__flushedQueue();
+  }
+
+  /**
+   * "Private" methods
+   */
+
+  __callImmediates() {
     BridgeProfiling.profile('JSTimersExecution.callImmediates()');
     guard(() => JSTimersExecution.callImmediates());
     BridgeProfiling.profileEnd();
+  }
+
+  __flushedQueue() {
     let queue = this._queue;
     this._queue = [[],[],[]];
     return queue[0].length ? queue : null;
   }
-
-  /**
-   * "Private" methods
-   */
   __nativeCall(module, method, params, onFail, onSucc) {
     if (onFail || onSucc) {
       // eventually delete old debug info