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

Source/core/testing/Internals.h

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 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.
@@ skipping 161 matching lines @@
 
     PassRefPtr<DOMPoint> touchPositionAdjustedToBestClickableNode(long x, long y, long width, long height, Document*, ExceptionState&);
     Node* touchNodeAdjustedToBestClickableNode(long x, long y, long width, long height, Document*, ExceptionState&);
     PassRefPtr<DOMPoint> touchPositionAdjustedToBestContextMenuNode(long x, long y, long width, long height, Document*, ExceptionState&);
     Node* touchNodeAdjustedToBestContextMenuNode(long x, long y, long width, long height, Document*, ExceptionState&);
     PassRefPtr<ClientRect> bestZoomableAreaForTouchPoint(long x, long y, long width, long height, Document*, ExceptionState&);
 
     int lastSpellCheckRequestSequence(Document*, ExceptionState&);
     int lastSpellCheckProcessedSequence(Document*, ExceptionState&);
 
-    Vector<String> userPreferredLanguages() const;
+    Vector<AtomicString> userPreferredLanguages() const;
     void setUserPreferredLanguages(const Vector<String>&);
 
     unsigned wheelEventHandlerCount(Document*, ExceptionState&);
     unsigned touchEventHandlerCount(Document*, ExceptionState&);
     PassRefPtr<LayerRectList> touchEventTargetLayerRects(Document*, ExceptionState&);
 
     // This is used to test rect based hit testing like what's done on touch screens.
     PassRefPtr<NodeList> nodesFromRect(Document*, int x, int y, unsigned topPadding, unsigned rightPadding,
         unsigned bottomPadding, unsigned leftPadding, bool ignoreClipping, bool allowShadowContent, bool allowChildFrameContent, ExceptionState&) const;
 
@@ skipping 123 matching lines @@
     RefPtr<DOMWindow> m_frontendWindow;
     OwnPtr<InspectorFrontendChannelDummy> m_frontendChannel;
     RefPtr<InternalRuntimeFlags> m_runtimeFlags;
     RefPtr<ScrollingCoordinator> m_scrollingCoordinator;
     RefPtr<InternalProfilers> m_profilers;
 };
 
 } // namespace WebCore
 
 #endif