Don't fire pixels or fetch trackers on requested ads.

r2/r2/controllers/listingcontroller.py

@@ -244,6 +244,8 @@ class ListingWithPromos(SubredditListingController):
                          skip=False)
         res.parent_name = "promoted"
         if res.things:
+            # update the css class so analytics.js can avoid firing pixels etc.
+            res.things[0].rowstyle_cls += " requested"
             return res
 
     def make_single_ad(self):

r2/r2/public/static/js/analytics.js

@@ -5,7 +5,9 @@ r.analytics = {
     init: function() {
         // these guys are relying on the custom 'onshow' from jquery.reddit.js
         $(document).delegate(
-            '.organic-listing .promotedlink.promoted, .comments-page .promotedlink.promoted, .linklisting .promotedlink.promoted',
+            '.organic-listing .promotedlink.promoted:not(".requested"), ' +
+              '.comments-page .promotedlink.promoted, ' +
+              '.linklisting .promotedlink.promoted:not(".requested")',
             'onshow',
             _.bind(function(ev) {
                 this.fetchTrackersOrFirePixel(ev.target)