Use WTF::TimeDelta to specify delays on WebTaskRunner

third_party/WebKit/Source/core/dom/ScriptedIdleTaskController.cpp

 // 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 "core/dom/ScriptedIdleTaskController.h"
 
 #include "core/dom/ExecutionContext.h"
 #include "core/dom/IdleRequestCallback.h"
 #include "core/dom/IdleRequestOptions.h"
 #include "core/inspector/InspectorTraceEvents.h"
@@ skipping 94 matching lines @@
 
   probe::AsyncTaskScheduled(GetExecutionContext(), "requestIdleCallback",
                             callback);
 
   RefPtr<internal::IdleRequestCallbackWrapper> callback_wrapper =
       internal::IdleRequestCallbackWrapper::Create(id, this);
   scheduler_->PostIdleTask(
       BLINK_FROM_HERE,
       WTF::Bind(&internal::IdleRequestCallbackWrapper::IdleTaskFired,
                 callback_wrapper));
-  if (timeout_millis > 0)
+  if (timeout_millis > 0) {
     scheduler_->TimerTaskRunner()->PostDelayedTask(
         BLINK_FROM_HERE,
         WTF::Bind(&internal::IdleRequestCallbackWrapper::TimeoutFired,
                   callback_wrapper),
-        timeout_millis);
+        WTF::TimeDelta::FromMilliseconds(timeout_millis));

[haraken, 2017/05/10 15:12:54]

WTF:: wouldn't be needed.

[tzik, 2017/05/11 07:15:18]

Done.

+  }
   TRACE_EVENT_INSTANT1("devtools.timeline", "RequestIdleCallback",
                        TRACE_EVENT_SCOPE_THREAD, "data",
                        InspectorIdleCallbackRequestEvent::Data(
                            GetExecutionContext(), id, timeout_millis));
   return id;
 }
 
 void ScriptedIdleTaskController::CancelCallback(CallbackId id) {
   TRACE_EVENT_INSTANT1(
       "devtools.timeline", "CancelIdleCallback", TRACE_EVENT_SCOPE_THREAD,
@@ skipping 86 matching lines @@
     RefPtr<internal::IdleRequestCallbackWrapper> callback_wrapper =
         internal::IdleRequestCallbackWrapper::Create(callback.key, this);
     scheduler_->PostIdleTask(
         BLINK_FROM_HERE,
         WTF::Bind(&internal::IdleRequestCallbackWrapper::IdleTaskFired,
                   callback_wrapper));
   }
 }
 
 }  // namespace blink