Support type selector for camel-cased SVG elements in HTML.

Source/core/css/SelectorChecker.cpp

Index: Source/core/css/SelectorChecker.cpp
diff --git a/Source/core/css/SelectorChecker.cpp b/Source/core/css/SelectorChecker.cpp
index a7f1910b674b4c51a9831aa7c2961e84e01a0cd3..edb65f750e2664013988774d5455f8d8a7f64ab3 100644
--- a/Source/core/css/SelectorChecker.cpp
+++ b/Source/core/css/SelectorChecker.cpp
@@ -29,6 +29,7 @@
 #include "core/css/SelectorChecker.h"
 
 #include "core/HTMLNames.h"
+#include "core/css/CSSLocalNameToLowerMaps.h"
 #include "core/css/CSSSelectorList.h"
 #include "core/css/SiblingTraversalStrategies.h"
 #include "core/dom/Document.h"
@@ -550,7 +551,7 @@ bool SelectorChecker::checkOne(const SelectorCheckingContext& context, const Sib
 
     switch (selector.match()) {
     case CSSSelector::Tag:
-        return SelectorChecker::tagMatches(element, selector.tagQName());
+        return SelectorChecker::tagMatches(element, selector);
     case CSSSelector::Class:
         return element.hasClass() && element.classNames().contains(selector.value());
     case CSSSelector::Id:
@@ -1177,6 +1178,11 @@ bool SelectorChecker::matchesListBoxPseudoClass(const Element& element)
     return isHTMLSelectElement(element) && !toHTMLSelectElement(element).usesMenuList();
 }
 
+bool SelectorChecker::localNameMatchesLower(const AtomicString& elementName, const AtomicString& camelCasedType)
+{
+    return elementName != CSSLocalNameToLowerMaps::elementToLower(camelCasedType);
+}
+
 template
 SelectorChecker::Match SelectorChecker::match(const SelectorCheckingContext&, const DOMSiblingTraversalStrategy&, MatchResult*) const;