Pass around CSSSelector by reference instead of pointer

Source/web/WebSelector.cpp

Index: Source/web/WebSelector.cpp
diff --git a/Source/web/WebSelector.cpp b/Source/web/WebSelector.cpp
index 90efbdb3a4f689608f8bc18bb91aa8d687d8e364..99ea21a7419476f2eff9f9fd0d97b27f665f141b 100644
--- a/Source/web/WebSelector.cpp
+++ b/Source/web/WebSelector.cpp
@@ -47,7 +47,7 @@ WebString canonicalizeSelector(WebString webSelector, WebSelectorType restrictio
     parser.parseSelector(webSelector, selectorList);
 
     if (restriction == WebSelectorTypeCompound) {
-        for (const CSSSelector* selector = selectorList.first(); selector; selector = selectorList.next(selector)) {
+        for (const CSSSelector* selector = selectorList.first(); selector; selector = selectorList.next(*selector)) {
             if (!selector->isCompound())
                 return WebString();
         }