import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

toolkit/themes/moz.build

@@ -0,0 +1,35 @@
+# -*- 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/.
+
+# Theme Selection
+#
+# Shared (toolkit/themes/shared/) is always included.
+#
+# MacOS X                 osx (toolkit/themes/osx)
+# Windows                 windows (toolkit/themes/windows) +
+#                         non-mac (toolkit/themes/shared/non-mac)
+# GNOME/Linux             linux (toolkit/themes/linux)
+#                         non-mac (toolkit/themes/shared/non-mac)
+# faststripe              windows + faststripe (no native theme components)
+# mobile                  native UIs that do not use XUL for UI
+
+toolkit = CONFIG['MOZ_WIDGET_TOOLKIT']
+app = CONFIG['MOZ_BUILD_APP']
+
+if toolkit == 'cocoa':
+    DIRS += ['osx']
+elif toolkit in ('gtk2', 'gtk3'):
+    DIRS += ['linux']
+elif app == 'mobile/android':
+    DIRS += ['mobile']
+else:
+    DIRS += ['windows']
+
+    if CONFIG['MOZ_THEME_FASTSTRIPE']:
+        DIRS += ['faststripe/global']
+
+with Files('**'):
+    BUG_COMPONENT = ('Toolkit', 'Themes')