diff -r 000000000000 -r 6474c204b198 docshell/base/nsIURIFixup.idl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/docshell/base/nsIURIFixup.idl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,81 @@
+/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * 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"
+
+interface nsIURI;
+interface nsIInputStream;
+
+/**
+ * Interface implemented by objects capable of fixing up strings into URIs
+ */
+[scriptable, uuid(731877f8-973b-414c-b772-9ca1f3fffb7e)]
+interface nsIURIFixup : nsISupports
+{
+    /** No fixup flags. */
+    const unsigned long FIXUP_FLAG_NONE = 0;
+
+    /**
+     * Allow the fixup to use a keyword lookup service to complete the URI.
+     * The fixup object implementer should honour this flag and only perform
+     * any lengthy keyword (or search) operation if it is set.
+     */
+    const unsigned long FIXUP_FLAG_ALLOW_KEYWORD_LOOKUP = 1;
+
+    /**
+     * Tell the fixup to make an alternate URI from the input URI, for example
+     * to turn foo into www.foo.com.
+     */
+    const unsigned long FIXUP_FLAGS_MAKE_ALTERNATE_URI = 2;
+
+    /**
+     * Fix common scheme typos.
+     */
+    const unsigned long FIXUP_FLAG_FIX_SCHEME_TYPOS = 8;
+
+    /* Note that flag 4 is available. */
+
+    /**
+     * Converts an internal URI (e.g. a wyciwyg URI) into one which we can
+     * expose to the user, for example on the URL bar.
+     *
+     * @param  aURI       The URI to be converted
+     * @return nsIURI     The converted, exposable URI
+     * @throws NS_ERROR_MALFORMED_URI when the exposable portion of aURI is malformed
+     * @throws NS_ERROR_UNKNOWN_PROTOCOL when we can't get a protocol handler service
+     *         for the URI scheme.
+     */
+    nsIURI createExposableURI(in nsIURI aURI);
+
+    /**
+     * Converts the specified string into a URI, first attempting
+     * to correct any errors in the syntax or other vagaries. Returns
+     * a wellformed URI or nullptr if it can't.
+     *
+     * @param aURIText    Candidate URI.
+     * @param aFixupFlags Flags that govern ways the URI may be fixed up.
+     * @param aPostData   The POST data to submit with the returned
+     *                    URI (see nsISearchSubmission).
+     */
+    nsIURI createFixupURI(in AUTF8String aURIText, in unsigned long aFixupFlags,
+                          [optional] out nsIInputStream aPostData);
+
+    /**
+     * Converts the specified keyword string into a URI.  Note that it's the
+     * caller's responsibility to check whether keywords are enabled and
+     * whether aKeyword is a sensible keyword.
+     *
+     * @param aKeyword  The keyword string to convert into a URI
+     * @param aPostData The POST data to submit to the returned URI
+     *                  (see nsISearchSubmission).
+     *
+     * @throws NS_ERROR_FAILURE if the resulting URI requires submission of POST
+     *         data and aPostData is null.
+     */
+    nsIURI keywordToURI(in AUTF8String aKeyword,
+                        [optional] out nsIInputStream aPostData);
+};
+