Use WTF::TimeDelta to specify delays on WebTaskRunner

third_party/WebKit/Source/platform/scheduler/test/fake_web_task_runner.cc

Index: third_party/WebKit/Source/platform/scheduler/test/fake_web_task_runner.cc
diff --git a/third_party/WebKit/Source/platform/scheduler/test/fake_web_task_runner.cc b/third_party/WebKit/Source/platform/scheduler/test/fake_web_task_runner.cc
index d4509f8c7f82d3d6712b6770b00bca8564f2cbb7..663af1adc7b75faec2f73af3b878989696161a55 100644
--- a/third_party/WebKit/Source/platform/scheduler/test/fake_web_task_runner.cc
+++ b/third_party/WebKit/Source/platform/scheduler/test/fake_web_task_runner.cc
@@ -82,13 +82,6 @@ void FakeWebTaskRunner::SetTime(double new_time) {
   data_->time_ = new_time;
 }
 
-void FakeWebTaskRunner::PostDelayedTask(const WebTraceLocation&,
-                                        base::OnceClosure closure,
-                                        double delay_ms) {
-  data_->PostTask(std::move(closure),
-                  base::TimeDelta::FromMillisecondsD(delay_ms));
-}
-
 bool FakeWebTaskRunner::RunsTasksInCurrentSequence() {
   return true;
 }