Revert of Add support for 'href' (w/o XLink NS) for various SVG elements

third_party/WebKit/Source/core/svg/SVGURIReference.cpp

Index: third_party/WebKit/Source/core/svg/SVGURIReference.cpp
diff --git a/third_party/WebKit/Source/core/svg/SVGURIReference.cpp b/third_party/WebKit/Source/core/svg/SVGURIReference.cpp
index 1f22221c0edf1d77c8640d4d86e77959bdf5268c..941d9f418491669af8856ede28ccf66fbc08783c 100644
--- a/third_party/WebKit/Source/core/svg/SVGURIReference.cpp
+++ b/third_party/WebKit/Source/core/svg/SVGURIReference.cpp
@@ -21,17 +21,16 @@
 #include "core/svg/SVGURIReference.h"
 
 #include "core/XLinkNames.h"
-#include "core/html/parser/HTMLParserIdioms.h"
 #include "core/svg/SVGElement.h"
 #include "platform/weborigin/KURL.h"
 
 namespace blink {
 
 SVGURIReference::SVGURIReference(SVGElement* element)
-    : m_href(SVGAnimatedHref::create(element))
+    : m_href(SVGAnimatedString::create(element, XLinkNames::hrefAttr, SVGString::create()))
 {
     ASSERT(element);
-    m_href->addToPropertyMap(element);
+    element->addToPropertyMap(m_href);
 }
 
 DEFINE_TRACE(SVGURIReference)
@@ -41,19 +40,7 @@
 
 bool SVGURIReference::isKnownAttribute(const QualifiedName& attrName)
 {
-    return SVGAnimatedHref::isKnownAttribute(attrName);
-}
-
-const AtomicString& SVGURIReference::legacyHrefString(const SVGElement& element)
-{
-    if (element.hasAttribute(SVGNames::hrefAttr))
-        return element.getAttribute(SVGNames::hrefAttr);
-    return element.getAttribute(XLinkNames::hrefAttr);
-}
-
-KURL SVGURIReference::legacyHrefURL(const Document& document) const
-{
-    return document.completeURL(stripLeadingAndTrailingHTMLSpaces(hrefString()));
+    return attrName.matches(XLinkNames::hrefAttr);
 }
 
 AtomicString SVGURIReference::fragmentIdentifierFromIRIString(const String& url, const TreeScope& treeScope)