Use ASCII-caseless matching for attribute names.

third_party/WebKit/Source/core/dom/QualifiedName.h

Index: third_party/WebKit/Source/core/dom/QualifiedName.h
diff --git a/third_party/WebKit/Source/core/dom/QualifiedName.h b/third_party/WebKit/Source/core/dom/QualifiedName.h
index 087ef73a931745c4e605ad74987a6c3d7008d3c0..f5f099a80ded21f7a75ded22ec469d5666565f35 100644
--- a/third_party/WebKit/Source/core/dom/QualifiedName.h
+++ b/third_party/WebKit/Source/core/dom/QualifiedName.h
@@ -135,11 +135,11 @@ class CORE_EXPORT QualifiedName {
                                     NamespaceURI() == other.NamespaceURI());
   }
 
-  bool MatchesPossiblyIgnoringCase(const QualifiedName& other,
-                                   bool should_ignore_case) const {
+  bool MatchesPossiblyIgnoringASCIICase(const QualifiedName& other,
+                                        bool should_ignore_case) const {
     return impl_ == other.impl_ ||
-           (EqualPossiblyIgnoringCase(LocalName(), other.LocalName(),
-                                      should_ignore_case) &&
+           (EqualPossiblyIgnoringASCIICase(LocalName(), other.LocalName(),
+                                           should_ignore_case) &&
             NamespaceURI() == other.NamespaceURI());
   }