Literal AtomicString construction can rely on strlen optimization.

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

Index: third_party/WebKit/Source/core/svg/SVGAnimationElement.cpp
diff --git a/third_party/WebKit/Source/core/svg/SVGAnimationElement.cpp b/third_party/WebKit/Source/core/svg/SVGAnimationElement.cpp
index ed35d2520934a588146f573a0b15b66e1ab09a01..6338700393e6541928ca09cafd684b1ba32b0cf1 100644
--- a/third_party/WebKit/Source/core/svg/SVGAnimationElement.cpp
+++ b/third_party/WebKit/Source/core/svg/SVGAnimationElement.cpp
@@ -301,10 +301,10 @@ void SVGAnimationElement::updateAnimationMode()
 
 void SVGAnimationElement::setCalcMode(const AtomicString& calcMode)
 {
-    DEFINE_STATIC_LOCAL(const AtomicString, discrete, ("discrete", AtomicString::ConstructFromLiteral));
-    DEFINE_STATIC_LOCAL(const AtomicString, linear, ("linear", AtomicString::ConstructFromLiteral));
-    DEFINE_STATIC_LOCAL(const AtomicString, paced, ("paced", AtomicString::ConstructFromLiteral));
-    DEFINE_STATIC_LOCAL(const AtomicString, spline, ("spline", AtomicString::ConstructFromLiteral));
+    DEFINE_STATIC_LOCAL(const AtomicString, discrete, ("discrete"));
+    DEFINE_STATIC_LOCAL(const AtomicString, linear, ("linear"));
+    DEFINE_STATIC_LOCAL(const AtomicString, paced, ("paced"));
+    DEFINE_STATIC_LOCAL(const AtomicString, spline, ("spline"));
     if (calcMode == discrete)
         setCalcMode(CalcModeDiscrete);
     else if (calcMode == linear)
@@ -319,8 +319,8 @@ void SVGAnimationElement::setCalcMode(const AtomicString& calcMode)
 
 void SVGAnimationElement::setAttributeType(const AtomicString& attributeType)
 {
-    DEFINE_STATIC_LOCAL(const AtomicString, css, ("CSS", AtomicString::ConstructFromLiteral));
-    DEFINE_STATIC_LOCAL(const AtomicString, xml, ("XML", AtomicString::ConstructFromLiteral));
+    DEFINE_STATIC_LOCAL(const AtomicString, css, ("CSS"));
+    DEFINE_STATIC_LOCAL(const AtomicString, xml, ("XML"));
     if (attributeType == css)
         m_attributeType = AttributeTypeCSS;
     else if (attributeType == xml)
@@ -347,14 +347,14 @@ String SVGAnimationElement::fromValue() const
 
 bool SVGAnimationElement::isAdditive()
 {
-    DEFINE_STATIC_LOCAL(const AtomicString, sum, ("sum", AtomicString::ConstructFromLiteral));
+    DEFINE_STATIC_LOCAL(const AtomicString, sum, ("sum"));
     const AtomicString& value = fastGetAttribute(SVGNames::additiveAttr);
     return value == sum || getAnimationMode() == ByAnimation;
 }
 
 bool SVGAnimationElement::isAccumulated() const
 {
-    DEFINE_STATIC_LOCAL(const AtomicString, sum, ("sum", AtomicString::ConstructFromLiteral));
+    DEFINE_STATIC_LOCAL(const AtomicString, sum, ("sum"));
     const AtomicString& value = fastGetAttribute(SVGNames::accumulateAttr);
     return value == sum && getAnimationMode() != ToAnimation;
 }
@@ -680,7 +680,7 @@ void SVGAnimationElement::adjustForInheritance(SVGElement* targetElement, const
 static bool inheritsFromProperty(SVGElement* targetElement, const QualifiedName& attributeName, const String& value)
 {
     ASSERT(targetElement);
-    DEFINE_STATIC_LOCAL(const AtomicString, inherit, ("inherit", AtomicString::ConstructFromLiteral));
+    DEFINE_STATIC_LOCAL(const AtomicString, inherit, ("inherit"));
 
     if (value.isEmpty() || value != inherit)
         return false;