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

Source/core/dom/SelectorQuery.cpp

Index: Source/core/dom/SelectorQuery.cpp
diff --git a/Source/core/dom/SelectorQuery.cpp b/Source/core/dom/SelectorQuery.cpp
index 2dda9c39f1d47402f223fa8c94c97f9f6290d646..e190720d677a3cd183b3fd16ba5c6c17307fe833 100644
--- a/Source/core/dom/SelectorQuery.cpp
+++ b/Source/core/dom/SelectorQuery.cpp
@@ -176,10 +176,10 @@ void SelectorDataList::collectElementsByClassName(ContainerNode& rootNode, const
 }
 
 template <typename SelectorQueryTrait>
-void SelectorDataList::collectElementsByTagName(ContainerNode& rootNode, const QualifiedName& tagName,  typename SelectorQueryTrait::OutputType& output) const
+void SelectorDataList::collectElementsByTagName(ContainerNode& rootNode, const CSSSelector& tagSelector, typename SelectorQueryTrait::OutputType& output) const
 {
     for (Element& element : ElementTraversal::descendantsOf(rootNode)) {
-        if (SelectorChecker::tagMatches(element, tagName)) {
+        if (SelectorChecker::tagMatches(element, tagSelector)) {
             SelectorQueryTrait::appendElement(output, element);
             if (SelectorQueryTrait::shouldOnlyMatchFirstElement)
                 return;
@@ -468,7 +468,7 @@ void SelectorDataList::execute(ContainerNode& rootNode, typename SelectorQueryTr
             collectElementsByClassName<SelectorQueryTrait>(rootNode, firstSelector.value(), output);
             return;
         case CSSSelector::Tag:
-            collectElementsByTagName<SelectorQueryTrait>(rootNode, firstSelector.tagQName(), output);
+            collectElementsByTagName<SelectorQueryTrait>(rootNode, firstSelector, output);
             return;
         default:
             break; // If we need another fast path, add here.