diff -r 000000000000 -r 6474c204b198 extensions/cookie/nsICookiePromptService.idl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/extensions/cookie/nsICookiePromptService.idl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,45 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsISupports.idl"
+
+/**
+ * An interface to open a dialog to ask to permission to accept the cookie.
+ */
+
+interface nsIDOMWindow;
+interface nsICookie;
+
+[scriptable, uuid(72f8bb14-2810-4f38-8d0d-290c5401f54e)]
+interface nsICookiePromptService : nsISupports
+{
+  const uint32_t DENY_COOKIE = 0;
+  const uint32_t ACCEPT_COOKIE = 1;
+  const uint32_t ACCEPT_SESSION_COOKIE = 2;
+
+  /* Open a dialog that asks for permission to accept a cookie
+   * 
+   * @param parent
+   * @param cookie
+   * @param hostname          the host that wants to set the cookie, 
+   *                           not the domain: part of the cookie
+   * @param cookiesFromHost   the number of cookies there are already for this host
+   * @param changingCookie    are we changing this cookie?
+   * @param rememberDecision  should we set the matching permission for this host?
+   * @returns                 0 == deny cookie
+   *                          1 == accept cookie
+   *                          2 == accept cookie for current session
+   */
+
+  long cookieDialog(in nsIDOMWindow parent,
+                    in nsICookie cookie,
+                    in ACString hostname,
+                    in long cookiesFromHost,
+                    in boolean changingCookie,
+                    out boolean rememberDecision);
+};
+
+%{C++
+#define NS_COOKIEPROMPTSERVICE_CONTRACTID "@mozilla.org/embedcomp/cookieprompt-service;1"
+%}