[Scheduler] Temporarily remove wrapper function

This code is being compiled incorrectly by something in the Facebook
build pipeline. I'm removing it temporarily to unblock the sync while
we investigate.

Author: acdlite

packages/scheduler/src/Scheduler.js

@@ -60,64 +60,14 @@ var isPerformingWork = false;
 var isHostCallbackScheduled = false;
 var isHostTimeoutScheduled = false;
 
-function scheduler_flushTaskAtPriority_Immediate(callback, didTimeout) {
-  return callback(didTimeout);
-}
-function scheduler_flushTaskAtPriority_UserBlocking(callback, didTimeout) {
-  return callback(didTimeout);
-}
-function scheduler_flushTaskAtPriority_Normal(callback, didTimeout) {
-  return callback(didTimeout);
-}
-function scheduler_flushTaskAtPriority_Low(callback, didTimeout) {
-  return callback(didTimeout);
-}
-function scheduler_flushTaskAtPriority_Idle(callback, didTimeout) {
-  return callback(didTimeout);
-}
-
 function flushTask(task, callback, currentTime) {
   var previousPriorityLevel = currentPriorityLevel;
   var previousTask = currentTask;
   currentPriorityLevel = task.priorityLevel;
   currentTask = task;
   try {
     var didUserCallbackTimeout = task.expirationTime <= currentTime;
-    // Add an extra function to the callstack. Profiling tools can use this
-    // to infer the priority of work that appears higher in the stack.
-    var continuationCallback;
-    switch (currentPriorityLevel) {
-      case ImmediatePriority:
-        continuationCallback = scheduler_flushTaskAtPriority_Immediate(
-          callback,
-          didUserCallbackTimeout,
-        );
-        break;
-      case UserBlockingPriority:
-        continuationCallback = scheduler_flushTaskAtPriority_UserBlocking(
-          callback,
-          didUserCallbackTimeout,
-        );
-        break;
-      case NormalPriority:
-        continuationCallback = scheduler_flushTaskAtPriority_Normal(
-          callback,
-          didUserCallbackTimeout,
-        );
-        break;
-      case LowPriority:
-        continuationCallback = scheduler_flushTaskAtPriority_Low(
-          callback,
-          didUserCallbackTimeout,
-        );
-        break;
-      case IdlePriority:
-        continuationCallback = scheduler_flushTaskAtPriority_Idle(
-          callback,
-          didUserCallbackTimeout,
-        );
-        break;
-    }
+    var continuationCallback = callback(didUserCallbackTimeout);
     return typeof continuationCallback === 'function'
       ? continuationCallback
       : null;

packages/scheduler/src/__tests__/Scheduler-test.js

@@ -434,7 +434,9 @@ describe('Scheduler', () => {
   if (__DEV__) {
     // Function names are minified in prod, though you could still infer the
     // priority if you have sourcemaps.
-    it('adds extra function to the JS stack whose name includes the priority level', () => {
+    // TODO: Feature temporarily disabled while we investigate a bug in one of
+    // our minifiers.
+    it.skip('adds extra function to the JS stack whose name includes the priority level', () => {
       function inferPriorityFromCallstack() {
         try {
           throw Error();