Replaced RefPtr::release with std::move in Source/core.

third_party/WebKit/Source/core/frame/DOMTimer.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 120 matching lines @@
   stop();
 }
 
 void DOMTimer::fired() {
   ExecutionContext* context = getExecutionContext();
   ASSERT(context);
   context->timers()->setTimerNestingLevel(m_nestingLevel);
   DCHECK(!context->isContextSuspended());
   // Only the first execution of a multi-shot timer should get an affirmative
   // user gesture indicator.
-  UserGestureIndicator gestureIndicator(m_userGestureToken.release());
+  UserGestureIndicator gestureIndicator(std::move(m_userGestureToken));
 
   TRACE_EVENT1("devtools.timeline", "TimerFire", "data",
                InspectorTimerFireEvent::data(context, m_timeoutID));
   PerformanceMonitor::HandlerCall handlerCall(
       context, repeatInterval() ? "setInterval" : "setTimeout", true);
   InspectorInstrumentation::NativeBreakpoint nativeBreakpoint(
       context, "timerFired", false);
   InspectorInstrumentation::AsyncTask asyncTask(context, this);
 
   // Simple case for non-one-shot timers.
@@ skipping 35 matching lines @@
 WebTaskRunner* DOMTimer::timerTaskRunner() const {
   return getExecutionContext()->timers()->timerTaskRunner();
 }
 
 DEFINE_TRACE(DOMTimer) {
   visitor->trace(m_action);
   SuspendableTimer::trace(visitor);
 }
 
 }  // namespace blink