Use ConstructFromLiteral instead of implicit conversion

Source/core/html/shadow/MediaControls.cpp

 /*
  * Copyright (C) 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2011, 2012 Google 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
@@ skipping 410 matching lines @@
     m_hideMediaControlsTimer.startOneShot(timeWithoutMouseMovementBeforeHidingMediaControls, FROM_HERE);
 }
 
 void MediaControls::stopHideMediaControlsTimer()
 {
     m_hideMediaControlsTimer.stop();
 }
 
 const AtomicString& MediaControls::shadowPseudoId() const
 {
-    DEFINE_STATIC_LOCAL(AtomicString, id, ("-webkit-media-controls"));
+    DEFINE_STATIC_LOCAL(AtomicString, id, ("-webkit-media-controls", AtomicString::ConstructFromLiteral));
     return id;
 }
 
 bool MediaControls::containsRelatedTarget(Event* event)
 {
     if (!event->isMouseEvent())
         return false;
     EventTarget* relatedTarget = toMouseEvent(event)->relatedTarget();
     if (!relatedTarget)
         return false;
@@ skipping 50 matching lines @@
     visitor->trace(m_muteButton);
     visitor->trace(m_volumeSlider);
     visitor->trace(m_toggleClosedCaptionsButton);
     visitor->trace(m_fullScreenButton);
     visitor->trace(m_durationDisplay);
     visitor->trace(m_enclosure);
     HTMLDivElement::trace(visitor);
 }
 
 }