Update error-handling for fe*Lighting and feTurbulence

third_party/WebKit/Source/core/svg/SVGFETurbulenceElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.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,
@@ skipping 62 matching lines @@
 }
 
 DEFINE_NODE_FACTORY(SVGFETurbulenceElement)
 
 bool SVGFETurbulenceElement::setFilterEffectAttribute(FilterEffect* effect, const QualifiedName& attrName)
 {
     FETurbulence* turbulence = static_cast<FETurbulence*>(effect);
     if (attrName == SVGNames::typeAttr)
         return turbulence->setType(m_type->currentValue()->enumValue());
     if (attrName == SVGNames::stitchTilesAttr)
-        return turbulence->setStitchTiles(m_stitchTiles->currentValue()->enumValue());
+        return turbulence->setStitchTiles(m_stitchTiles->currentValue()->enumValue() == SVG_STITCHTYPE_STITCH);
     if (attrName == SVGNames::baseFrequencyAttr) {
         bool baseFrequencyXChanged = turbulence->setBaseFrequencyX(baseFrequencyX()->currentValue()->value());
         bool baseFrequencyYChanged = turbulence->setBaseFrequencyY(baseFrequencyY()->currentValue()->value());
         return (baseFrequencyXChanged || baseFrequencyYChanged);
     }
     if (attrName == SVGNames::seedAttr)
         return turbulence->setSeed(m_seed->currentValue()->value());
     if (attrName == SVGNames::numOctavesAttr)
         return turbulence->setNumOctaves(m_numOctaves->currentValue()->value());
 
@@ skipping 11 matching lines @@
         SVGElement::InvalidationGuard invalidationGuard(this);
         primitiveAttributeChanged(attrName);
         return;
     }
 
     SVGFilterPrimitiveStandardAttributes::svgAttributeChanged(attrName);
 }
 
 PassRefPtrWillBeRawPtr<FilterEffect> SVGFETurbulenceElement::build(SVGFilterBuilder*, Filter* filter)
 {
-    if (baseFrequencyX()->currentValue()->value() < 0 || baseFrequencyY()->currentValue()->value() < 0)
-        return nullptr;
-    return FETurbulence::create(filter, m_type->currentValue()->enumValue(), baseFrequencyX()->currentValue()->value(), baseFrequencyY()->currentValue()->value(), m_numOctaves->currentValue()->value(), m_seed->currentValue()->value(), m_stitchTiles->currentValue()->enumValue() == SVG_STITCHTYPE_STITCH);
+    return FETurbulence::create(filter,
+        m_type->currentValue()->enumValue(),
+        baseFrequencyX()->currentValue()->value(),
+        baseFrequencyY()->currentValue()->value(),
+        m_numOctaves->currentValue()->value(),
+        m_seed->currentValue()->value(),
+        m_stitchTiles->currentValue()->enumValue() == SVG_STITCHTYPE_STITCH);
 }
 
 } // namespace blink