| Index: base/message_loop/incoming_task_queue.cc
 | 
| diff --git a/base/message_loop/incoming_task_queue.cc b/base/message_loop/incoming_task_queue.cc
 | 
| index f0df650adc49f1a506a0fc03ee58cb987f51d64c..f838713899c3ec2d22618742e91b463eef6d22a3 100644
 | 
| --- a/base/message_loop/incoming_task_queue.cc
 | 
| +++ b/base/message_loop/incoming_task_queue.cc
 | 
| @@ -63,6 +63,7 @@ bool IncomingTaskQueue::AddToIncomingQueue(
 | 
|      Closure task,
 | 
|      TimeDelta delay,
 | 
|      bool nestable) {
 | 
| +  DCHECK(task);
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|    DLOG_IF(WARNING,
 | 
|            delay.InSeconds() > kTaskDelayWarningThresholdInSeconds)
 | 
|        << "Requesting super-long task delay period of " << delay.InSeconds()
 | 
| 
 |