Literal AtomicString construction can rely on strlen optimization.

third_party/WebKit/Source/platform/fonts/AlternateFontFamily.h

Index: third_party/WebKit/Source/platform/fonts/AlternateFontFamily.h
diff --git a/third_party/WebKit/Source/platform/fonts/AlternateFontFamily.h b/third_party/WebKit/Source/platform/fonts/AlternateFontFamily.h
index 6a1eb991e0b77ba7b2f44a7713535b4afad08556..45a4b4d3192f6bb92f89425072f62704032a8a2e 100644
--- a/third_party/WebKit/Source/platform/fonts/AlternateFontFamily.h
+++ b/third_party/WebKit/Source/platform/fonts/AlternateFontFamily.h
@@ -46,24 +46,24 @@ inline const AtomicString& adjustFamilyNameToAvoidUnsupportedFonts(const AtomicS
     // 'Courier' is a bitmap font. On Mac on the other hand 'Courier' is
     // a truetype font. Thus pages asking for Courier are better of
     // using 'Courier New' on windows.
-    DEFINE_STATIC_LOCAL(AtomicString, courier, ("Courier", AtomicString::ConstructFromLiteral));
-    DEFINE_STATIC_LOCAL(AtomicString, courierNew, ("Courier New", AtomicString::ConstructFromLiteral));
+    DEFINE_STATIC_LOCAL(AtomicString, courier, ("Courier"));
+    DEFINE_STATIC_LOCAL(AtomicString, courierNew, ("Courier New"));
     if (equalIgnoringCase(familyName, courier))
         return courierNew;
 
     // Alias 'MS Sans Serif' (bitmap font) -> 'Microsoft Sans Serif'
     // (truetype font).
-    DEFINE_STATIC_LOCAL(AtomicString, msSans, ("MS Sans Serif", AtomicString::ConstructFromLiteral));
-    DEFINE_STATIC_LOCAL(AtomicString, microsoftSans, ("Microsoft Sans Serif", AtomicString::ConstructFromLiteral));
+    DEFINE_STATIC_LOCAL(AtomicString, msSans, ("MS Sans Serif"));
+    DEFINE_STATIC_LOCAL(AtomicString, microsoftSans, ("Microsoft Sans Serif"));
     if (equalIgnoringCase(familyName, msSans))
         return microsoftSans;
 
     // Alias 'MS Serif' (bitmap) -> 'Times New Roman' (truetype font).
     // Alias 'Times' -> 'Times New Roman' (truetype font).
     // There's no 'Microsoft Sans Serif-equivalent' for Serif.
-    DEFINE_STATIC_LOCAL(AtomicString, msSerif, ("MS Serif", AtomicString::ConstructFromLiteral));
-    DEFINE_STATIC_LOCAL(AtomicString, times, ("Times", AtomicString::ConstructFromLiteral));
-    DEFINE_STATIC_LOCAL(AtomicString, timesNewRoman, ("Times New Roman", AtomicString::ConstructFromLiteral));
+    DEFINE_STATIC_LOCAL(AtomicString, msSerif, ("MS Serif"));
+    DEFINE_STATIC_LOCAL(AtomicString, times, ("Times"));
+    DEFINE_STATIC_LOCAL(AtomicString, timesNewRoman, ("Times New Roman"));
     if (equalIgnoringCase(familyName, msSerif) || equalIgnoringCase(familyName, times))
         return timesNewRoman;
 #endif
@@ -74,8 +74,8 @@ inline const AtomicString& adjustFamilyNameToAvoidUnsupportedFonts(const AtomicS
 inline const AtomicString& alternateFamilyName(const AtomicString& familyName)
 {
     // Alias Courier <-> Courier New
-    DEFINE_STATIC_LOCAL(AtomicString, courier, ("Courier", AtomicString::ConstructFromLiteral));
-    DEFINE_STATIC_LOCAL(AtomicString, courierNew, ("Courier New", AtomicString::ConstructFromLiteral));
+    DEFINE_STATIC_LOCAL(AtomicString, courier, ("Courier"));
+    DEFINE_STATIC_LOCAL(AtomicString, courierNew, ("Courier New"));
     if (equalIgnoringCase(familyName, courier))
         return courierNew;
 #if !OS(WIN)
@@ -87,16 +87,16 @@ inline const AtomicString& alternateFamilyName(const AtomicString& familyName)
 #endif
 
     // Alias Times and Times New Roman.
-    DEFINE_STATIC_LOCAL(AtomicString, times, ("Times", AtomicString::ConstructFromLiteral));
-    DEFINE_STATIC_LOCAL(AtomicString, timesNewRoman, ("Times New Roman", AtomicString::ConstructFromLiteral));
+    DEFINE_STATIC_LOCAL(AtomicString, times, ("Times"));
+    DEFINE_STATIC_LOCAL(AtomicString, timesNewRoman, ("Times New Roman"));
     if (equalIgnoringCase(familyName, times))
         return timesNewRoman;
     if (equalIgnoringCase(familyName, timesNewRoman))
         return times;
 
     // Alias Arial and Helvetica
-    DEFINE_STATIC_LOCAL(AtomicString, arial, ("Arial", AtomicString::ConstructFromLiteral));
-    DEFINE_STATIC_LOCAL(AtomicString, helvetica, ("Helvetica", AtomicString::ConstructFromLiteral));
+    DEFINE_STATIC_LOCAL(AtomicString, arial, ("Arial"));
+    DEFINE_STATIC_LOCAL(AtomicString, helvetica, ("Helvetica"));
     if (equalIgnoringCase(familyName, arial))
         return helvetica;
     if (equalIgnoringCase(familyName, helvetica))
@@ -108,11 +108,11 @@ inline const AtomicString& alternateFamilyName(const AtomicString& familyName)
 
 inline const AtomicString getFallbackFontFamily(const FontDescription& description)
 {
-    DEFINE_STATIC_LOCAL(const AtomicString, sansStr, ("sans-serif", AtomicString::ConstructFromLiteral));
-    DEFINE_STATIC_LOCAL(const AtomicString, serifStr, ("serif", AtomicString::ConstructFromLiteral));
-    DEFINE_STATIC_LOCAL(const AtomicString, monospaceStr, ("monospace", AtomicString::ConstructFromLiteral));
-    DEFINE_STATIC_LOCAL(const AtomicString, cursiveStr, ("cursive", AtomicString::ConstructFromLiteral));
-    DEFINE_STATIC_LOCAL(const AtomicString, fantasyStr, ("fantasy", AtomicString::ConstructFromLiteral));
+    DEFINE_STATIC_LOCAL(const AtomicString, sansStr, ("sans-serif"));
+    DEFINE_STATIC_LOCAL(const AtomicString, serifStr, ("serif"));
+    DEFINE_STATIC_LOCAL(const AtomicString, monospaceStr, ("monospace"));
+    DEFINE_STATIC_LOCAL(const AtomicString, cursiveStr, ("cursive"));
+    DEFINE_STATIC_LOCAL(const AtomicString, fantasyStr, ("fantasy"));
 
     switch (description.genericFamily()) {
     case FontDescription::SansSerifFamily: