Support WebIDL's ExtendedAttributeIdentList in the Blink parser

Source/core/frame/Location.idl

Index: Source/core/frame/Location.idl
diff --git a/Source/core/frame/Location.idl b/Source/core/frame/Location.idl
index 379a63f92064b93ade1e424c1d46731b3a31879f..99a3ae98706465d8b6431526402173ba828483b9 100644
--- a/Source/core/frame/Location.idl
+++ b/Source/core/frame/Location.idl
@@ -35,20 +35,20 @@
     // property of an *existing* document at a different origin.
     // However, *reading* |href|, or accessing any component, is a security
     // problem, since that allows tracking navigation.
-    [SetterCallWith=ActiveWindow&FirstWindow, DoNotCheckSecurity=Setter, Unforgeable] attribute DOMString href;
+    [SetterCallWith=(ActiveWindow,FirstWindow), DoNotCheckSecurity=Setter, Unforgeable] attribute DOMString href;
 
-    [CallWith=ActiveWindow&FirstWindow, DoNotCheckSecurity, Unforgeable] void assign(DOMString url);
-    [CallWith=ActiveWindow&FirstWindow, DoNotCheckSecurity, Unforgeable] void replace(DOMString url);
+    [CallWith=(ActiveWindow,FirstWindow), DoNotCheckSecurity, Unforgeable] void assign(DOMString url);
+    [CallWith=(ActiveWindow,FirstWindow), DoNotCheckSecurity, Unforgeable] void replace(DOMString url);
     [CallWith=ActiveWindow, Unforgeable] void reload();
 
     // URI decomposition attributes
-    [SetterCallWith=ActiveWindow&FirstWindow, RaisesException=Setter] attribute DOMString protocol;
-    [SetterCallWith=ActiveWindow&FirstWindow] attribute DOMString host;
-    [SetterCallWith=ActiveWindow&FirstWindow] attribute DOMString hostname;
-    [SetterCallWith=ActiveWindow&FirstWindow] attribute DOMString port;
-    [SetterCallWith=ActiveWindow&FirstWindow] attribute DOMString pathname;
-    [SetterCallWith=ActiveWindow&FirstWindow] attribute DOMString search;
-    [SetterCallWith=ActiveWindow&FirstWindow] attribute DOMString hash;
+    [SetterCallWith=(ActiveWindow,FirstWindow), RaisesException=Setter] attribute DOMString protocol;
+    [SetterCallWith=(ActiveWindow,FirstWindow)] attribute DOMString host;
+    [SetterCallWith=(ActiveWindow,FirstWindow)] attribute DOMString hostname;
+    [SetterCallWith=(ActiveWindow,FirstWindow)] attribute DOMString port;
+    [SetterCallWith=(ActiveWindow,FirstWindow)] attribute DOMString pathname;
+    [SetterCallWith=(ActiveWindow,FirstWindow)] attribute DOMString search;
+    [SetterCallWith=(ActiveWindow,FirstWindow)] attribute DOMString hash;
 
     readonly attribute DOMString origin;