Introduce Element::AttributeModificationParams

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

Index: third_party/WebKit/Source/core/svg/SVGSVGElement.cpp
diff --git a/third_party/WebKit/Source/core/svg/SVGSVGElement.cpp b/third_party/WebKit/Source/core/svg/SVGSVGElement.cpp
index 1432874ccd9f34fd537d80d11edd05773d067a2f..4efa77cdc91b26d821bf4adc3a72403840b8d62c 100644
--- a/third_party/WebKit/Source/core/svg/SVGSVGElement.cpp
+++ b/third_party/WebKit/Source/core/svg/SVGSVGElement.cpp
@@ -155,9 +155,9 @@ bool SVGSVGElement::zoomAndPanEnabled() const {
   return zoomAndPan == SVGZoomAndPanMagnify;
 }
 
-void SVGSVGElement::parseAttribute(const QualifiedName& name,
-                                   const AtomicString& oldValue,
-                                   const AtomicString& value) {
+void SVGSVGElement::parseAttribute(const AttributeModificationParams& params) {
+  const QualifiedName& name = params.name;
+  const AtomicString& value = params.newValue;
   if (!nearestViewportElement()) {
     bool setListener = true;
 
@@ -206,7 +206,7 @@ void SVGSVGElement::parseAttribute(const QualifiedName& name,
       property->setDefaultValueAsString("100%");
     reportAttributeParsingError(parseError, name, value);
   } else {
-    SVGElement::parseAttribute(name, oldValue, value);
+    SVGElement::parseAttribute(params);
   }
 }