Store marker identifiers as AtomicString

Source/core/rendering/style/SVGRenderStyle.h

 /*
     Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
                   2004, 2005 Rob Buis <buis@kde.org>
     Copyright (C) 2005, 2006 Apple Computer, Inc.
     Copyright (C) Research In Motion Limited 2010. 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.
@@ skipping 71 matching lines @@
     static PassRefPtr<SVGLengthList> initialStrokeDashArray() { return SVGLengthList::create(); }
     static float initialStrokeMiterLimit() { return 4; }
     static float initialStopOpacity() { return 1; }
     static Color initialStopColor() { return Color(0, 0, 0); }
     static float initialFloodOpacity() { return 1; }
     static Color initialFloodColor() { return Color(0, 0, 0); }
     static Color initialLightingColor() { return Color(255, 255, 255); }
     static const AtomicString& initialClipperResource() { return nullAtom; }
     static const AtomicString& initialFilterResource() { return nullAtom; }
     static const AtomicString& initialMaskerResource() { return nullAtom; }
-    static String initialMarkerStartResource() { return String(); }
-    static String initialMarkerMidResource() { return String(); }
-    static String initialMarkerEndResource() { return String(); }
+    static const AtomicString& initialMarkerStartResource() { return nullAtom; }
+    static const AtomicString& initialMarkerMidResource() { return nullAtom; }
+    static const AtomicString& initialMarkerEndResource() { return nullAtom; }
     static EMaskType initialMaskType() { return MT_LUMINANCE; }
     static EPaintOrder initialPaintOrder() { return PO_NORMAL; }
 
     static PassRefPtr<SVGLength> initialBaselineShiftValue()
     {
         RefPtr<SVGLength> length = SVGLength::create();
         length->newValueSpecifiedUnits(LengthTypeNumber, 0);
         return length.release();
     }
 
@@ skipping 170 matching lines @@
             resources.access()->filter = obj;
     }
 
     void setMaskerResource(const AtomicString& obj)
     {
         if (!(resources->masker == obj))
             resources.access()->masker = obj;
     }
 
     // Setters for inherited resources
-    void setMarkerStartResource(const String& obj)
+    void setMarkerStartResource(const AtomicString& obj)
     {
         if (!(inheritedResources->markerStart == obj))
             inheritedResources.access()->markerStart = obj;
     }
 
-    void setMarkerMidResource(const String& obj)
+    void setMarkerMidResource(const AtomicString& obj)
     {
         if (!(inheritedResources->markerMid == obj))
             inheritedResources.access()->markerMid = obj;
     }
 
-    void setMarkerEndResource(const String& obj)
+    void setMarkerEndResource(const AtomicString& obj)
     {
         if (!(inheritedResources->markerEnd == obj))
             inheritedResources.access()->markerEnd = obj;
     }
 
     // Read accessors for all the properties
     EAlignmentBaseline alignmentBaseline() const { return (EAlignmentBaseline) svg_noninherited_flags.f._alignmentBaseline; }
     EDominantBaseline dominantBaseline() const { return (EDominantBaseline) svg_noninherited_flags.f._dominantBaseline; }
     EBaselineShift baselineShift() const { return (EBaselineShift) svg_noninherited_flags.f._baselineShift; }
     EVectorEffect vectorEffect() const { return (EVectorEffect) svg_noninherited_flags.f._vectorEffect; }
@@ skipping 25 matching lines @@
     PassRefPtr<SVGLength> kerning() const { return text->kerning; }
     float stopOpacity() const { return stops->opacity; }
     const Color& stopColor() const { return stops->color; }
     float floodOpacity() const { return misc->floodOpacity; }
     const Color& floodColor() const { return misc->floodColor; }
     const Color& lightingColor() const { return misc->lightingColor; }
     PassRefPtr<SVGLength> baselineShiftValue() const { return misc->baselineShiftValue; }
     const AtomicString& clipperResource() const { return resources->clipper; }
     const AtomicString& filterResource() const { return resources->filter; }
     const AtomicString& maskerResource() const { return resources->masker; }
-    String markerStartResource() const { return inheritedResources->markerStart; }
-    String markerMidResource() const { return inheritedResources->markerMid; }
-    String markerEndResource() const { return inheritedResources->markerEnd; }
+    const AtomicString& markerStartResource() const { return inheritedResources->markerStart; }
+    const AtomicString& markerMidResource() const { return inheritedResources->markerMid; }
+    const AtomicString& markerEndResource() const { return inheritedResources->markerEnd; }
     EMaskType maskType() const { return (EMaskType) svg_noninherited_flags.f.maskType; }
     EPaintOrder paintOrder() const { return (EPaintOrder) svg_inherited_flags._paintOrder; }
     EPaintOrderType paintOrderType(unsigned index) const;
 
     const SVGPaint::SVGPaintType& visitedLinkFillPaintType() const { return fill->visitedLinkPaintType; }
     const Color& visitedLinkFillPaintColor() const { return fill->visitedLinkPaintColor; }
     const String& visitedLinkFillPaintUri() const { return fill->visitedLinkPaintUri; }
     const SVGPaint::SVGPaintType& visitedLinkStrokePaintType() const { return stroke->visitedLinkPaintType; }
     const Color& visitedLinkStrokePaintColor() const { return stroke->visitedLinkPaintColor; }
     const String& visitedLinkStrokePaintUri() const { return stroke->visitedLinkPaintUri; }
@@ skipping 108 matching lines @@
         svg_noninherited_flags.f._baselineShift = initialBaselineShift();
         svg_noninherited_flags.f._vectorEffect = initialVectorEffect();
         svg_noninherited_flags.f.bufferedRendering = initialBufferedRendering();
         svg_noninherited_flags.f.maskType = initialMaskType();
     }
 };
 
 } // namespace WebCore
 
 #endif // SVGRenderStyle_h