import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

toolkit/locales/en-US/chrome/global/config.properties

@@ -0,0 +1,22 @@
+# 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/.
+
+# Lock column values
+default=default
+user=user set
+locked=locked
+
+# Type column values
+string=string
+int=integer
+bool=boolean
+
+# Preference prompts
+# %S is replaced by one of the type column values above
+new_title=New %S value
+new_prompt=Enter the preference name
+modify_title=Enter %S value
+
+nan_title=Invalid value
+nan_text=The text you entered is not a number.