Use AtomicString API directly

Source/core/svg/animation/SVGSMILElement.cpp

 /*
  * Copyright (C) 2008 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 756 matching lines @@
     if (m_cachedRepeatCount != invalidCachedTime)
         return m_cachedRepeatCount;
     SMILTime computedRepeatCount = SMILTime::unresolved();
     const AtomicString& value = fastGetAttribute(SVGNames::repeatCountAttr);
     if (!value.isNull()) {
         DEFINE_STATIC_LOCAL(const AtomicString, indefiniteValue, ("indefinite", AtomicString::ConstructFromLiteral));
         if (value == indefiniteValue) {
             computedRepeatCount = SMILTime::indefinite();
         } else {
             bool ok;
-            double result = value.string().toDouble(&ok);
+            double result = value.toDouble(&ok);
             if (ok && result > 0)
                 computedRepeatCount = result;
         }
     }
     m_cachedRepeatCount = computedRepeatCount;
     return m_cachedRepeatCount;
 }
 
 SMILTime SVGSMILElement::maxValue() const
 {
@@ skipping 574 matching lines @@
 #if ENABLE(OILPAN)
     visitor->trace(m_targetElement);
     visitor->trace(m_timeContainer);
     visitor->trace(m_conditions);
     visitor->trace(m_syncBaseDependents);
 #endif
     SVGElement::trace(visitor);
 }
 
 }