CHECK tasks posted by TaskRunner::PostTask

base/task_scheduler/scheduler_worker_pool_impl.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/task_scheduler/scheduler_worker_pool_impl.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <utility>
@@ skipping 329 matching lines @@
     scoped_refptr<Sequence> sequence) {
   DCHECK(task);
   DCHECK(sequence);
 
   if (!task_tracker_->WillPostTask(task.get()))
     return false;
 
   if (task->delayed_run_time.is_null()) {
     PostTaskWithSequenceNow(std::move(task), std::move(sequence));
   } else {
-    DCHECK(task->task);
+    // Use CHECK instead of DCHECK to crash earlier. See http://crbug.com/711167
+    // for details.
+    CHECK(task->task);
     delayed_task_manager_->AddDelayedTask(
         std::move(task),
         Bind(
             [](scoped_refptr<Sequence> sequence,
                SchedulerWorkerPool* worker_pool, std::unique_ptr<Task> task) {
               worker_pool->PostTaskWithSequenceNow(std::move(task),
                                                    std::move(sequence));
             },
             std::move(sequence), Unretained(this)));
   }
@@ skipping 255 matching lines @@
   AutoSchedulerLock auto_lock(idle_workers_stack_lock_);
   idle_workers_stack_.Remove(worker);
 }
 
 bool SchedulerWorkerPoolImpl::CanWorkerDetachForTesting() {
   return !worker_detachment_disallowed_.IsSet();
 }
 
 }  // namespace internal
 }  // namespace base