Bug 482229: add localizable string for 'search site' feature, r=gavin, a=mconnor

browser/locales/en-US/chrome/browser-region/region.properties

@@ -17,6 +17,12 @@ browser.contentHandlers.types.2.uri=http://fusion.google.com/add?feedurl=%s
 # Keyword URL (for location bar searches)
 keyword.URL=http://www.google.com/search?ie=UTF-8&oe=UTF-8&sourceid=navclient&gfns=1&q=
 
+# URL for site-specific search engines
+# TRANSLATION NOTE: {moz:domain} and {searchTerms} are placeholders for the site
+# to be searched and the user's search query. Place them in the appropriate location
+# for your locale's URL but do not translate them.
+browser.search.siteSearchURL=http://www.google.com/search?hl=en&q=site%3A{moz:domain}+{searchTerms}
+
 # increment this number when anything gets changed in the list below.  This will
 # cause Firefox to re-read these prefs and inject any new handlers into the 
 # profile database.  Note that "new" is defined as "has a different URL"; this