Bug 1884671 - Add directory and pref for the new sidebar foundational work r=fxview-reviewers,sclements

Differential Revision: https://phabricator.services.mozilla.com/D204232

Author: nikk15

browser/app/profile/firefox.js

@@ -1847,6 +1847,8 @@ pref("pdfjs.previousHandler.alwaysAskBeforeHandling", false);
 // Try to convert PDFs sent as octet-stream
 pref("pdfjs.handleOctetStream", true);
 
+pref("sidebar.companion", false);
+
 // Is the sidebar positioned ahead of the content browser
 pref("sidebar.position_start", true);
 

browser/components/moz.build

@@ -62,6 +62,7 @@ DIRS += [
     "sessionstore",
     "shell",
     "shopping",
+    "sidebar",
     "syncedtabs",
     "tabpreview",
     "tabunloader",

browser/components/sidebar/jar.mn

@@ -0,0 +1,5 @@
+# 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/.
+
+browser.jar:

browser/components/sidebar/moz.build

@@ -0,0 +1,7 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# 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/.
+
+JAR_MANIFESTS += ["jar.mn"]