Mark the AtomicString(const String&) constructor as explicit

Source/core/svg/SVGAElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2010 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 154 matching lines @@
                 if (targetElement && isSVGSMILElement(*targetElement)) {
                     toSVGSMILElement(targetElement)->beginByLinkActivation();
                     event->setDefaultHandled();
                     return;
                 }
                 // Only allow navigation to internal <view> anchors.
                 if (targetElement && !targetElement->hasTagName(SVGNames::viewTag))
                     return;
             }
 
-            String target = this->target();
+            AtomicString target = this->target();
             if (target.isEmpty() && fastGetAttribute(XLinkNames::showAttr) == "new")
-                target = "_blank";
+                target = AtomicString("_blank", AtomicString::ConstructFromLiteral);
             event->setDefaultHandled();
 
             Frame* frame = document().frame();
             if (!frame)
                 return;
             FrameLoadRequest frameRequest(&document(), ResourceRequest(document().completeURL(url)), target);
             frameRequest.setTriggeringEvent(event);
             frame->loader().load(frameRequest);
             return;
         }
@@ skipping 48 matching lines @@
 
     return SVGGraphicsElement::childShouldCreateRenderer(child);
 }
 
 bool SVGAElement::willRespondToMouseClickEvents()
 {
     return isLink() || SVGGraphicsElement::willRespondToMouseClickEvents();
 }
 
 } // namespace WebCore