Move productSub/vendor/vendorSub to Navigator class

Source/core/page/NavigatorBase.h

Index: Source/core/page/NavigatorBase.h
diff --git a/Source/core/page/NavigatorBase.h b/Source/core/page/NavigatorBase.h
index 26922b3dda1b91c055f8fb0dd9d786e58292886b..cb6c81f085d31f0813d59fc42cb4f76a0b498fae 100644
--- a/Source/core/page/NavigatorBase.h
+++ b/Source/core/page/NavigatorBase.h
@@ -39,13 +39,6 @@ namespace WebCore {
         String appCodeName() const;
         String product() const;
 
-        // FIXME: The following is not part of the specification and is only
-        // exposed on Navigator. It should be moved to Navigator (or exposed
-        // on WorkerNavigator as well).
-        String productSub() const;
-        String vendor() const;
-        String vendorSub() const;
-
     protected:
         virtual ~NavigatorBase();
     };