Update idl files in third_party/WebCore

Modules/indexeddb/IDBCursor.idl

Index: Modules/indexeddb/IDBCursor.idl
diff --git a/Modules/indexeddb/IDBCursor.idl b/Modules/indexeddb/IDBCursor.idl
index 4570c1ecc87d08b901003a3dc8f27861f1188ea1..4b6265b428f26e91fc07bb8b5c2215d7dc42348b 100644
--- a/Modules/indexeddb/IDBCursor.idl
+++ b/Modules/indexeddb/IDBCursor.idl
@@ -35,8 +35,7 @@
 
     [CallWith=ScriptState] IDBRequest update(in any value)
         raises (DOMException);
-    // FIXME: Make this [EnforceRange] unsigned long once webkit.org/b/96798 lands.
-    void advance(in long long count)
+    void advance(in [EnforceRange] unsigned long count)

[Anton Muhin, 2013/03/22 12:04:27]

do we need support for this in C++ bindings?

[Mads Ager (google), 2013/03/22 13:21:08]

Most likely. I'm on my way out on vacation and will be out for a week. Let me
file a bug report to look into this. 

         raises (DOMException);
     [CallWith=ScriptExecutionContext, ImplementedAs=continueFunction] void continue(in [Optional] any key)
         raises (DOMException);