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

Source/core/svg/SVGFEDiffuseLightingElement.cpp

 /*
  * Copyright (C) 2005 Oliver Hunt <ojh16@student.canterbury.ac.nz>
  *
  * 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 182 matching lines @@
 {
     if (SVGFELightElement::findLightElement(this) != lightElement)
         return;
 
     // The light element has different attribute names.
     primitiveAttributeChanged(attrName);
 }
 
 PassRefPtr<FilterEffect> SVGFEDiffuseLightingElement::build(SVGFilterBuilder* filterBuilder, Filter* filter)
 {
-    FilterEffect* input1 = filterBuilder->getEffectById(in1CurrentValue());
+    FilterEffect* input1 = filterBuilder->getEffectById(AtomicString(in1CurrentValue()));
 
     if (!input1)
         return 0;
 
     RefPtr<LightSource> lightSource = SVGFELightElement::findLightSource(this);
     if (!lightSource)
         return 0;
 
     RenderObject* renderer = this->renderer();
     if (!renderer)
         return 0;
 
     ASSERT(renderer->style());
     Color color = renderer->style()->svgStyle()->lightingColor();
 
     RefPtr<FilterEffect> effect = FEDiffuseLighting::create(filter, color, surfaceScaleCurrentValue(), diffuseConstantCurrentValue(),
         kernelUnitLengthXCurrentValue(), kernelUnitLengthYCurrentValue(), lightSource.release());
     effect->inputEffects().append(input1);
     return effect.release();
 }
 
 }