Backed out changeset f3a4f4402577 (bug 1385249) for reftest failures in 966992-1.html a=backout CLOSED TREE

MozReview-Commit-ID: 7fX0Xd9C1VJ

browser/app/profile/firefox.js

@@ -1649,7 +1649,10 @@ pref("browser.esedbreader.loglevel", "Error");
 
 pref("browser.laterrun.enabled", false);
 
-pref("dom.ipc.processPrelaunch.enabled", true);
+// Disable prelaunch in the same way activity-stream is enabled addressing
+// bug 1381804 memory usage until bug 1376895 is fixed.
+// Because of frequent crashes on Beta, it is turned off on all channels, see: bug 1363601.
+pref("dom.ipc.processPrelaunch.enabled", false);
 
 pref("browser.migrate.automigrate.enabled", false);
 // 4 here means the suggestion notification will be automatically