Use WTF::TimeDelta to specify delays on WebTaskRunner

third_party/WebKit/Source/core/html/canvas/CanvasAsyncBlobCreator.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/html/canvas/CanvasAsyncBlobCreator.h"
 
 #include "core/dom/DOMException.h"
 #include "core/dom/Document.h"
 #include "core/dom/TaskRunnerHelper.h"
 #include "core/fileapi/Blob.h"
@@ skipping 595 matching lines @@
            idle_task_status_ == kIdleTaskCompleted);
     this->SignalAlternativeCodePathFinishedForTesting();
   }
 }
 
 void CanvasAsyncBlobCreator::PostDelayedTaskToCurrentThread(
     const WebTraceLocation& location,
     std::unique_ptr<WTF::Closure> task,
     double delay_ms) {
   TaskRunnerHelper::Get(TaskType::kCanvasBlobSerialization, document_)
-      ->PostDelayedTask(location, std::move(task), delay_ms);
+      ->PostDelayedTask(location, std::move(task),
+                        TimeDelta::FromMillisecondsD(delay_ms));
 }
 
 DEFINE_TRACE(CanvasAsyncBlobCreator) {
   visitor->Trace(document_);
   visitor->Trace(data_);
   visitor->Trace(callback_);
   visitor->Trace(parent_frame_task_runner_);
   visitor->Trace(script_promise_resolver_);
 }
 
 }  // namespace blink