Literal AtomicString construction can rely on strlen optimization.

third_party/WebKit/Source/core/svg/graphics/filters/SVGFilterBuilder.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 21 matching lines @@
 #include "platform/graphics/filters/SourceGraphic.h"
 
 namespace blink {
 
 namespace {
 
 class FilterInputKeywords {
 public:
     static const AtomicString& getSourceGraphic()
     {
-        DEFINE_STATIC_LOCAL(const AtomicString, s_sourceGraphicName, ("SourceGraphic", AtomicString::ConstructFromLiteral));
+        DEFINE_STATIC_LOCAL(const AtomicString, s_sourceGraphicName, ("SourceGraphic"));
         return s_sourceGraphicName;
     }
 
     static const AtomicString& sourceAlpha()
     {
-        DEFINE_STATIC_LOCAL(const AtomicString, s_sourceAlphaName, ("SourceAlpha", AtomicString::ConstructFromLiteral));
+        DEFINE_STATIC_LOCAL(const AtomicString, s_sourceAlphaName, ("SourceAlpha"));
         return s_sourceAlphaName;
     }
 
     static const AtomicString& fillPaint()
     {
-        DEFINE_STATIC_LOCAL(const AtomicString, s_fillPaintName, ("FillPaint", AtomicString::ConstructFromLiteral));
+        DEFINE_STATIC_LOCAL(const AtomicString, s_fillPaintName, ("FillPaint"));
         return s_fillPaintName;
     }
 
     static const AtomicString& strokePaint()
     {
-        DEFINE_STATIC_LOCAL(const AtomicString, s_strokePaintName, ("StrokePaint", AtomicString::ConstructFromLiteral));
+        DEFINE_STATIC_LOCAL(const AtomicString, s_strokePaintName, ("StrokePaint"));
         return s_strokePaintName;
     }
 };
 
 } // namespace
 
 void SVGFilterGraphNodeMap::addBuiltinEffect(FilterEffect* effect)
 {
     m_effectReferences.add(effect, FilterEffectSet());
 }
@@ skipping 138 matching lines @@
             return namedEffect;
     }
 
     if (m_lastEffect)
         return m_lastEffect.get();
 
     return m_builtinEffects.get(FilterInputKeywords::getSourceGraphic());
 }
 
 } // namespace blink