Use WTF::TimeDelta to specify delays on WebTaskRunner

third_party/WebKit/Source/platform/audio/PushPullFIFOMultithreadTest.cpp

 // Copyright 2017 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 "platform/audio/PushPullFIFO.h"
 
 #include <memory>
 #include <vector>
 #include "platform/CrossThreadFunctional.h"
 #include "platform/WaitableEvent.h"
@@ skipping 44 matching lines @@
 
  private:
   void RunTaskOnOwnThread() {
     double interval_with_jitter = interval_ms_
         + (static_cast<double>(std::rand()) / RAND_MAX) * jitter_range_ms_;
     elapsed_ms_ += interval_with_jitter;
     ++counter_;
     RunTask();
     if (elapsed_ms_ < duration_ms_) {
       client_thread_->GetWebTaskRunner()->PostDelayedTask(
-              BLINK_FROM_HERE,
-              CrossThreadBind(&FIFOClient::RunTaskOnOwnThread,
-                              CrossThreadUnretained(this)),
-              interval_with_jitter);
+          BLINK_FROM_HERE,
+          CrossThreadBind(&FIFOClient::RunTaskOnOwnThread,
+                          CrossThreadUnretained(this)),
+          TimeDelta::FromMillisecondsD(interval_with_jitter));
     } else {
       Stop(counter_);
       done_event_->Signal();
     }
   }
 
   PushPullFIFO* fifo_;
   RefPtr<AudioBus> bus_;
   std::unique_ptr<WebThread> client_thread_;
   std::unique_ptr<WaitableEvent> done_event_;
@@ skipping 135 matching lines @@
   {48000, 2, 8192, 10000, 256, 0, 128, 1}
 };
 
 INSTANTIATE_TEST_CASE_P(PushPullFIFOSmokeTest,
                         PushPullFIFOSmokeTest,
                         ::testing::ValuesIn(smoke_test_params));
 
 }  // namespace
 
 }  // namespace blink