Method dequeue

src/service/task-queue.js:92–100

* Dequeues the task and returns "true" if dequeueing is successful. Otherwise * returns "false", e.g. when this task is not currently enqueued. * @param {!TaskDef} task * @return {boolean}

(task)

   * @return {boolean}
   */
  dequeue(task) {
    const existing = this.taskIdMap_[task.id];
    const dequeued = this.removeAtIndex(task, this.tasks_.indexOf(existing));
    if (!dequeued) {
      return false;
    }
    this.lastDequeueTime_ = Date.now();
    return true;
  }

  /**
   * Returns the task with the minimal score based on the provided scoring