Bug 1386474 - Pocket shouldn't assume that Photon page actions are enabled. r=mixedpuppy

MozReview-Commit-ID: H4sYvICRqx4

--HG--
extra : rebase_source : af35a035fbd4135a5ea874c3c3ce3c56cb33814f

browser/extensions/pocket/bootstrap.js

@@ -162,7 +162,8 @@ var PocketPageAction = {
 
   get shouldUse() {
     return !Services.prefs.getBranch(PREF_BRANCH)
-            .getBoolPref("disablePageAction", false);
+                    .getBoolPref("disablePageAction", false) &&
+           AppConstants.MOZ_PHOTON_THEME;
   },
 
   get enabled() {