Make calls to AtomicString(const String&) explicit in html/

Source/core/html/HTMLMediaElement.h

 /*
  * Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012, 2013 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 91 matching lines @@
     PassRefPtr<MediaError> error() const;
 
     // network state
     void setSrc(const AtomicString&);
     const KURL& currentSrc() const { return m_currentSrc; }
 
     enum NetworkState { NETWORK_EMPTY, NETWORK_IDLE, NETWORK_LOADING, NETWORK_NO_SOURCE };
     NetworkState networkState() const;
 
     String preload() const;
-    void setPreload(const String&);
+    void setPreload(const AtomicString&);
 
     PassRefPtr<TimeRanges> buffered() const;
     void load();
     String canPlayType(const String& mimeType, const String& keySystem = String(), const KURL& = KURL()) const;
 
     // ready state
     ReadyState readyState() const;
     bool seeking() const;
 
     // playback state
@@ skipping 47 matching lines @@
     void setMuted(bool);
 
     void togglePlayState();
     void beginScrubbing();
     void endScrubbing();
 
     bool canPlay() const;
 
     double percentLoaded() const;
 
-    PassRefPtr<TextTrack> addTextTrack(const String& kind, const String& label, const String& language, ExceptionState&);
-    PassRefPtr<TextTrack> addTextTrack(const String& kind, const String& label, ExceptionState& exceptionState) { return addTextTrack(kind, label, emptyString(), exceptionState); }
-    PassRefPtr<TextTrack> addTextTrack(const String& kind, ExceptionState& exceptionState) { return addTextTrack(kind, emptyString(), emptyString(), exceptionState); }
+    PassRefPtr<TextTrack> addTextTrack(const AtomicString& kind, const AtomicString& label, const AtomicString& language, ExceptionState&);
+    PassRefPtr<TextTrack> addTextTrack(const AtomicString& kind, const AtomicString& label, ExceptionState& exceptionState) { return addTextTrack(kind, label, emptyAtom, exceptionState); }
+    PassRefPtr<TextTrack> addTextTrack(const AtomicString& kind, ExceptionState& exceptionState) { return addTextTrack(kind, emptyAtom, emptyAtom, exceptionState); }
 
     TextTrackList* textTracks();
     CueList currentlyActiveCues() const { return m_currentlyActiveCues; }
 
     void addTrack(TextTrack*);
     void removeTrack(TextTrack*);
     void removeAllInbandTracks();
     void closeCaptionTracksChanged();
     void notifyMediaPlayerOfTextTrackChanges();
 
@@ skipping 390 matching lines @@
 inline bool isHTMLMediaElement(const Node& node)
 {
     return node.isElementNode() && toElement(node).isMediaElement();
 }
 
 DEFINE_NODE_TYPE_CASTS_WITH_FUNCTION(HTMLMediaElement);
 
 } //namespace
 
 #endif