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

Source/core/css/SelectorChecker.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
@@ skipping 11 matching lines @@
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "config.h"
 #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"
 #include "core/dom/ElementTraversal.h"
 #include "core/dom/Fullscreen.h"
 #include "core/dom/NodeComputedStyle.h"
 #include "core/dom/StyleEngine.h"
 #include "core/dom/Text.h"
 #include "core/dom/shadow/ComposedTreeTraversal.h"
 #include "core/dom/shadow/InsertionPoint.h"
@@ skipping 501 matching lines @@
     bool elementIsHostInItsShadowTree = isHostInItsShadowTree(element, context.scope);
 
     // Only :host and :host-context() should match the host: http://drafts.csswg.org/css-scoping/#host-element
     if (elementIsHostInItsShadowTree && (!selector.isHostPseudoClass()
         && !context.treatShadowHostAsNormalScope
         && selector.match() != CSSSelector::PseudoElement))
             return false;
 
     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:
         return element.hasID() && element.idForStyleResolution() == selector.value();
 
     // Attribute selectors
     case CSSSelector::AttributeExact:
     case CSSSelector::AttributeSet:
     case CSSSelector::AttributeHyphen:
     case CSSSelector::AttributeList:
@@ skipping 606 matching lines @@
 bool SelectorChecker::matchesSpatialNavigationFocusPseudoClass(const Element& element)
 {
     return isHTMLOptionElement(element) && toHTMLOptionElement(element).spatialNavigationFocused() && isFrameFocused(element);
 }
 
 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;
 
 template
 SelectorChecker::Match SelectorChecker::match(const SelectorCheckingContext&, const ShadowDOMSiblingTraversalStrategy&, MatchResult*) const;
 
 }