Bug 1283681 - Enable dom.ipc.cpows.forbid-cpows-in-compat-addons preference (r=blassey)

browser/app/profile/firefox.js

@@ -1450,6 +1450,12 @@ pref("dom.ipc.cpow.timeout", 500);
 // Causes access on unsafe CPOWs from browser code to throw by default.
 pref("dom.ipc.cpows.forbid-unsafe-from-browser", true);
 
+// Don't allow add-ons marked as multiprocessCompatible to use CPOWs.
+pref("dom.ipc.cpows.forbid-cpows-in-compat-addons", true);
+
+// ...except for these add-ons:
+pref("dom.ipc.cpows.allow-cpows-in-compat-addons", "{b9db16a4-6edc-47ec-a1f4-b86292ed211d},privateTab@infocatcher,mousegesturessuite@lemon_juice.addons.mozilla.org,firegestures@xuldev.org,treestyletab@piro.sakura.ne.jp,{DDC359D1-844A-42a7-9AA1-88A850A938A8},ich@maltegoetz.de,{AE93811A-5C9A-4d34-8462-F7B864FC4696}");
+
 // Enable e10s hang monitoring (slow script checking and plugin hang
 // detection).
 pref("dom.ipc.processHangMonitor", true);
@@ -1525,4 +1531,4 @@ pref("browser.crashReports.unsubmittedCheck.enabled", true);
 // without a user choice before we suppress the notification for
 // some number of days.
 pref("browser.crashReports.unsubmittedCheck.chancesUntilSuppress", 4);
-pref("browser.crashReports.unsubmittedCheck.autoSubmit", false);
+pref("browser.crashReports.unsubmittedCheck.autoSubmit", false);