Let TRACE_EVENT_XXX_WITH_TIMESTAMP accept TimeTicks instead of int64_t

third_party/WebKit/Source/platform/scheduler/child/idle_helper.cc

Index: third_party/WebKit/Source/platform/scheduler/child/idle_helper.cc
diff --git a/third_party/WebKit/Source/platform/scheduler/child/idle_helper.cc b/third_party/WebKit/Source/platform/scheduler/child/idle_helper.cc
index 89f3e4e56bc023171278c9334cf745be5bc5baa9..8f934aaf9b77fba8020dc99a713e77d1b1cdebae 100644
--- a/third_party/WebKit/Source/platform/scheduler/child/idle_helper.cc
+++ b/third_party/WebKit/Source/platform/scheduler/child/idle_helper.cc
@@ -418,8 +418,7 @@ void IdleHelper::State::TraceEventIdlePeriodStateChange(
     if (!idle_period_deadline_.is_null() && now > idle_period_deadline_) {
       TRACE_EVENT_ASYNC_STEP_INTO_WITH_TIMESTAMP0(
           tracing_category_, idle_period_tracing_name_, this, "DeadlineOverrun",
-          std::max(idle_period_deadline_, last_idle_task_trace_time_)
-              .ToInternalValue());
+          std::max(idle_period_deadline_, last_idle_task_trace_time_));
     }
   }