Use ConstructFromLiteral instead of implicit conversion

Source/core/svg/SVGFontFaceUriElement.cpp

 /*
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 33 matching lines @@
 SVGFontFaceUriElement::~SVGFontFaceUriElement()
 {
     if (m_resource)
         m_resource->removeClient(this);
 }
 
 PassRefPtrWillBeRawPtr<CSSFontFaceSrcValue> SVGFontFaceUriElement::srcValue() const
 {
     RefPtrWillBeRawPtr<CSSFontFaceSrcValue> src = CSSFontFaceSrcValue::create(getAttribute(XLinkNames::hrefAttr));
     AtomicString value(fastGetAttribute(formatAttr));
-    src->setFormat(value.isEmpty() ? "svg" : value); // Default format
+    src->setFormat(value.isEmpty() ? AtomicString("svg", AtomicString::ConstructFromLiteral) : value); // Default format
     return src.release();
 }
 
 void SVGFontFaceUriElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
 {
     if (name.matches(XLinkNames::hrefAttr))
         loadFont();
     else
         SVGElement::parseAttribute(name, value);
 }
@@ skipping 31 matching lines @@
             m_resource->beginLoadIfNeeded(fetcher);
         }
     } else {
         m_resource = 0;
     }
 }
 
 }
 
 #endif // ENABLE(SVG_FONTS)