Fix bug with TaskQueueSelector and blocked queues

components/scheduler/base/task_queue_selector.h

Index: components/scheduler/base/task_queue_selector.h
diff --git a/components/scheduler/base/task_queue_selector.h b/components/scheduler/base/task_queue_selector.h
index 80ec7c01b80f2df6a84450374621e3d4a3259a4d..4a82adcfbd38a7c58ae2cbb8d44e143ea4c9da73 100644
--- a/components/scheduler/base/task_queue_selector.h
+++ b/components/scheduler/base/task_queue_selector.h
@@ -85,10 +85,13 @@ class SCHEDULER_EXPORT TaskQueueSelector {
  protected:
   class SCHEDULER_EXPORT PrioritizingSelector {
    public:
-    PrioritizingSelector(TaskQueueSelector* task_queue_selector);
+    PrioritizingSelector(TaskQueueSelector* task_queue_selector,
+                         const char* name);
 
-    void AssignQueueToSet(internal::TaskQueueImpl* queue,
-                          TaskQueue::QueuePriority priority);
+    void ChangeSetIndex(internal::TaskQueueImpl* queue,
+                        TaskQueue::QueuePriority priority);
+    void AddQueue(internal::TaskQueueImpl* queue,
+                  TaskQueue::QueuePriority priority);
     void RemoveQueue(internal::TaskQueueImpl* queue);
 
     bool SelectWorkQueueToService(TaskQueue::QueuePriority max_priority,
@@ -113,6 +116,10 @@ class SCHEDULER_EXPORT TaskQueueSelector {
                                   bool* out_chose_delayed_over_immediate,
                                   WorkQueue** out_work_queue) const;
 
+#if DCHECK_IS_ON() || !defined(NDEBUG)
+    bool CheckContainsQueueForTest(const internal::TaskQueueImpl* queue) const;
+#endif
+
    private:
     bool ChooseOldestImmediateTaskWithPriority(
         TaskQueue::QueuePriority priority,