Merge 133982

Source/WebKit/chromium/src/WebElement.cpp

Index: Source/WebKit/chromium/src/WebElement.cpp
===================================================================
--- Source/WebKit/chromium/src/WebElement.cpp	(revision 134274)
+++ Source/WebKit/chromium/src/WebElement.cpp	(working copy)
@@ -67,8 +67,13 @@
 
 bool WebElement::hasHTMLTagName(const WebString& tagName) const
 {
+    // How to create                     class              nodeName localName
+    // createElement('input')            HTMLInputElement   INPUT    input
+    // createElement('INPUT')            HTMLInputElement   INPUT    input
+    // createElementNS(xhtmlNS, 'input') HTMLInputElement   INPUT    input
+    // createElementNS(xhtmlNS, 'INPUT') HTMLUnknownElement INPUT    INPUT
     const Element* element = constUnwrap<Element>();
-    return HTMLNames::xhtmlNamespaceURI == element->namespaceURI() && equalIgnoringCase(element->tagName(), String(tagName));
+    return HTMLNames::xhtmlNamespaceURI == element->namespaceURI() && element->localName() == String(tagName).lower();
 }
 
 bool WebElement::hasAttribute(const WebString& attrName) const