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

Source/core/svg/SVGFEMorphologyElement.cpp

 /*
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  *
  * 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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 139 matching lines @@
     if (attrName == SVGNames::inAttr) {
         invalidate();
         return;
     }
 
     ASSERT_NOT_REACHED();
 }
 
 PassRefPtr<FilterEffect> SVGFEMorphologyElement::build(SVGFilterBuilder* filterBuilder, Filter* filter)
 {
-    FilterEffect* input1 = filterBuilder->getEffectById(in1CurrentValue());
+    FilterEffect* input1 = filterBuilder->getEffectById(AtomicString(in1CurrentValue()));
     float xRadius = radiusXCurrentValue();
     float yRadius = radiusYCurrentValue();
 
     if (!input1)
         return 0;
 
     if (xRadius < 0 || yRadius < 0)
         return 0;
 
     RefPtr<FilterEffect> effect = FEMorphology::create(filter, svgOperatorCurrentValue(), xRadius, yRadius);
     effect->inputEffects().append(input1);
     return effect.release();
 }
 
 } // namespace WebCore