Supervised Users: Add tests for PermissionRequestCreatorApiary.

chrome/browser/supervised_user/permission_request_creator_apiary.h

Index: chrome/browser/supervised_user/permission_request_creator_apiary.h
diff --git a/chrome/browser/supervised_user/permission_request_creator_apiary.h b/chrome/browser/supervised_user/permission_request_creator_apiary.h
index 73f8ad3d02a87532d2533e7d8e9bd754f8fba08c..44e22304908511a0244a9cd14071363bbb682be9 100644
--- a/chrome/browser/supervised_user/permission_request_creator_apiary.h
+++ b/chrome/browser/supervised_user/permission_request_creator_apiary.h
@@ -46,6 +46,8 @@ class PermissionRequestCreatorApiary : public PermissionRequestCreator,
       const GURL& url_requested,
       const SuccessCallback& callback) OVERRIDE;
 
+  void set_url_fetcher_id_for_testing(int id) { url_fetcher_id_ = id; }
+
  private:
   struct Request;
   typedef ScopedVector<Request>::iterator RequestIterator;
@@ -74,6 +76,7 @@ class PermissionRequestCreatorApiary : public PermissionRequestCreator,
   scoped_ptr<SupervisedUserSigninManagerWrapper> signin_wrapper_;
   net::URLRequestContextGetter* context_;
   GURL apiary_url_;
+  int url_fetcher_id_;
 
   ScopedVector<Request> requests_;
 };