Bug 1523632 - Part 1: Wrap the extension private browsing label on details page r=mixedpuppy,flod

Differential Revision: https://phabricator.services.mozilla.com/D17964

--HG--
extra : moz-landing-system : lando

toolkit/locales/en-US/toolkit/about/aboutAddons.ftl

@@ -127,8 +127,7 @@ detail-update-manual =
     .tooltiptext = Don’t automatically install updates
 
 # Used as a description for the option to allow or block an add-on in private windows.
-detail-private-browsing =
+detail-private-browsing-label = Run in Private Windows
-    .value = Run in Private Windows
 
 detail-private-browsing-description = Extension will work in Private Windows, and have access to your online activities. <label data-l10n-name="detail-private-browsing-learn-more">Learn more</label>
 

toolkit/mozapps/extensions/content/extensions.xul

@@ -547,7 +547,7 @@
                         </columns>
                         <rows id="detail-rows">
                           <row class="detail-row-complex" id="detail-privateBrowsing-row">
-                            <label class="detail-row-label" data-l10n-id="detail-private-browsing"/>
+                            <label class="detail-row-label" data-l10n-id="detail-private-browsing-label"/>
                             <hbox align="center">
                               <radiogroup id="detail-privateBrowsing" orient="horizontal">
                                 <radio data-l10n-id="detail-private-browsing-on"