Use WTF::TimeDelta to specify delays on WebTaskRunner

third_party/WebKit/Source/core/workers/WorkerThread.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 330 matching lines @@
           ForciblyTerminateExecution(lock, ExitCode::kSyncForciblyTerminated);
           break;
         case TerminationMode::kGraceful:
           DCHECK(!forcible_termination_task_handle_.IsActive());
           forcible_termination_task_handle_ =
               parent_frame_task_runners_->Get(TaskType::kUnspecedTimer)
                   ->PostDelayedCancellableTask(
                       BLINK_FROM_HERE,
                       WTF::Bind(&WorkerThread::MayForciblyTerminateExecution,
                                 WTF::Unretained(this)),
-                      forcible_termination_delay_in_ms_);
+                      TimeDelta::FromMilliseconds(
+                          forcible_termination_delay_in_ms_));
           break;
       }
     }
   }
 
   worker_thread_lifecycle_context_->NotifyContextDestroyed();
   inspector_task_runner_->Kill();
 
   GetWorkerBackingThread().BackingThread().PostTask(
       BLINK_FROM_HERE,
@@ skipping 277 matching lines @@
   MutexLocker lock(thread_state_mutex_);
   return requested_to_terminate_;
 }
 
 ExitCode WorkerThread::GetExitCodeForTesting() {
   MutexLocker lock(thread_state_mutex_);
   return exit_code_;
 }
 
 }  // namespace blink