DCHECK tasks posted by TaskRunner::PostTask

chrome/browser/after_startup_task_utils.cc

 // Copyright 2015 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 "chrome/browser/after_startup_task_utils.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/lazy_instance.h"
@@ skipping 57 matching lines @@
   const int kMinDelaySec = 0;
   const int kMaxDelaySec = 10;
   scoped_refptr<base::TaskRunner> target_runner = queued_task->task_runner;
   tracked_objects::Location from_here = queued_task->from_here;
   target_runner->PostDelayedTask(
       from_here, base::Bind(&RunTask, base::Passed(std::move(queued_task))),
       base::TimeDelta::FromSeconds(base::RandInt(kMinDelaySec, kMaxDelaySec)));
 }
 
 void QueueTask(std::unique_ptr<AfterStartupTask> queued_task) {
+  DCHECK(queued_task);
+  CHECK(queued_task->task);
+
   if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
     BrowserThread::PostTask(
         BrowserThread::UI, FROM_HERE,
         base::Bind(QueueTask, base::Passed(std::move(queued_task))));
     return;
   }
 
   // The flag may have been set while the task to invoke this method
   // on the UI thread was inflight.
   if (IsBrowserStartupComplete()) {
@@ skipping 157 matching lines @@
   return ::IsBrowserStartupComplete();
 }
 
 void AfterStartupTaskUtils::UnsafeResetForTesting() {
   DCHECK(g_after_startup_tasks.Get().empty());
   if (!IsBrowserStartupComplete())
     return;
   g_startup_complete_flag.Get().UnsafeResetForTesting();
   DCHECK(!IsBrowserStartupComplete());
 }