Bug 1256246 - Improve prompt for loading an add-on from directory. r=ochameau

MozReview-Commit-ID: oVBrMvK3nQ

--HG--
extra : rebase_source : 62bf333451a249bff1f023c1fea794f93c7fbad4

devtools/client/aboutdebugging/components/addons-controls.js

@@ -60,7 +60,7 @@ module.exports = createClass({
   loadAddonFromFile() {
     let fp = Cc["@mozilla.org/filepicker;1"].createInstance(Ci.nsIFilePicker);
     fp.init(window,
-      Strings.GetStringFromName("selectAddonFromFile"),
+      Strings.GetStringFromName("selectAddonFromFile2"),
       Ci.nsIFilePicker.modeOpen);
     let res = fp.show();
     if (res == Ci.nsIFilePicker.returnCancel || !fp.file) {

devtools/client/locales/en-US/aboutdebugging.properties

@@ -12,7 +12,7 @@ addonDebugging.tooltip = Turning this on will allow you to debug add-ons and var
 addonDebugging.moreInfo = more info
 loadTemporaryAddon = Load Temporary Add-on
 extensions = Extensions
-selectAddonFromFile = Select Add-on Directory or XPI File
+selectAddonFromFile2 = Select Manifest File or Package (.xpi)
 
 workers = Workers
 serviceWorkers = Service Workers