Use ASCII case-insensitive matching for ident-likes in the CSS parser

third_party/WebKit/Source/core/css/parser/CSSAtRuleID.cpp

Index: third_party/WebKit/Source/core/css/parser/CSSAtRuleID.cpp
diff --git a/third_party/WebKit/Source/core/css/parser/CSSAtRuleID.cpp b/third_party/WebKit/Source/core/css/parser/CSSAtRuleID.cpp
index 9276fbc4d58c96d1fd7abfb6d74263216c1e3bbf..809d03589f331992c7be362acc5b93be8bdc159d 100644
--- a/third_party/WebKit/Source/core/css/parser/CSSAtRuleID.cpp
+++ b/third_party/WebKit/Source/core/css/parser/CSSAtRuleID.cpp
@@ -11,25 +11,25 @@ namespace blink {
 
 CSSAtRuleID cssAtRuleID(const CSSParserString& name)
 {
-    if (name.equalIgnoringCase("charset"))
+    if (name.equalIgnoringASCIICase("charset"))
         return CSSAtRuleCharset;
-    if (name.equalIgnoringCase("font-face"))
+    if (name.equalIgnoringASCIICase("font-face"))
         return CSSAtRuleFontFace;
-    if (name.equalIgnoringCase("import"))
+    if (name.equalIgnoringASCIICase("import"))
         return CSSAtRuleImport;
-    if (name.equalIgnoringCase("keyframes"))
+    if (name.equalIgnoringASCIICase("keyframes"))
         return CSSAtRuleKeyframes;
-    if (name.equalIgnoringCase("media"))
+    if (name.equalIgnoringASCIICase("media"))
         return CSSAtRuleMedia;
-    if (name.equalIgnoringCase("namespace"))
+    if (name.equalIgnoringASCIICase("namespace"))
         return CSSAtRuleNamespace;
-    if (name.equalIgnoringCase("page"))
+    if (name.equalIgnoringASCIICase("page"))
         return CSSAtRulePage;
-    if (name.equalIgnoringCase("supports"))
+    if (name.equalIgnoringASCIICase("supports"))
         return CSSAtRuleSupports;
-    if (name.equalIgnoringCase("viewport"))
+    if (name.equalIgnoringASCIICase("viewport"))
         return CSSAtRuleViewport;
-    if (name.equalIgnoringCase("-webkit-keyframes"))
+    if (name.equalIgnoringASCIICase("-webkit-keyframes"))
         return CSSAtRuleWebkitKeyframes;
     return CSSAtRuleInvalid;
 }