Bug 1236754 - Enable add-on interposition unconditionally (r=mconley)

browser/app/profile/firefox.js

@@ -1576,11 +1576,9 @@ pref("browser.tabs.crashReporting.email", "");
 pref("layers.async-pan-zoom.enabled", true);
 #endif
 
-#ifdef E10S_TESTING_ONLY
 // Enable e10s add-on interposition by default.
 pref("extensions.interposition.enabled", true);
 pref("extensions.interposition.prefetching", true);
-#endif
 
 pref("browser.defaultbrowser.notificationbar", false);
 

modules/libpref/init/all.js

@@ -202,11 +202,7 @@ pref("dom.url.getters_decode_hash", false);
 // Whether to run add-on code in different compartments from browser code. This
 // causes a separate compartment for each (addon, global) combination, which may
 // significantly increase the number of compartments in the system.
-#ifdef E10S_TESTING_ONLY
 pref("dom.compartment_per_addon", true);
-#else
-pref("dom.compartment_per_addon", false);
-#endif
 
 // Fastback caching - if this pref is negative, then we calculate the number
 // of content viewers to cache based on the amount of available memory.