Improve named grid areas parsing

third_party/WebKit/Source/core/css/parser/CSSParserIdioms.h

Index: third_party/WebKit/Source/core/css/parser/CSSParserIdioms.h
diff --git a/third_party/WebKit/Source/core/css/parser/CSSParserIdioms.h b/third_party/WebKit/Source/core/css/parser/CSSParserIdioms.h
index b9ad905cbf7855c69a85f8d7cfa7567857c5b2b9..5e2f4e5ce925d97f79bf5b143631b4b917a114f5 100644
--- a/third_party/WebKit/Source/core/css/parser/CSSParserIdioms.h
+++ b/third_party/WebKit/Source/core/css/parser/CSSParserIdioms.h
@@ -42,6 +42,24 @@ inline bool isCSSSpace(UChar c)
     return c == ' ' || c == '\t' || c == '\n';
 }
 
+// http://dev.w3.org/csswg/css-syntax/#name-start-code-point
+template <typename CharacterType>
+bool isNameStartCodePoint(CharacterType c)
+{
+    if (isASCIIAlpha(c))

[Timothy Loh, 2016/04/20 04:31:11]

maybe for consistency with the other two functions we should just write

return isASCIIAlpha(c) || c == '_' || !isASCII(c);

[rwlbuis, 2016/04/20 11:18:48]

Good idea, will fix before landing.

+        return true;
+    if (c == '_')
+        return true;
+    return !isASCII(c);
+}
+
+// http://dev.w3.org/csswg/css-syntax/#name-code-point
+template <typename CharacterType>
+bool isNameCodePoint(CharacterType c)
+{
+    return isNameStartCodePoint(c) || isASCIIDigit(c) || c == '-';
+}
+
 }
 
 #endif