Bug 1555792: Set the socket-process-isolation prefs to true on nightly. r=mjf

Differential Revision: https://phabricator.services.mozilla.com/D33643

--HG--
extra : moz-landing-system : lando

browser/app/profile/firefox.js

@@ -1644,6 +1644,23 @@ pref("privacy.userContext.extension", "");
 pref("browser.tabs.remote.autostart", true);
 pref("browser.tabs.remote.desktopbehavior", true);
 
+// Run media transport in a separate process?
+#ifdef NIGHTLY_BUILD
+pref("media.peerconnection.mtransport_process", true);
+#else
+pref("media.peerconnection.mtransport_process", false);
+#endif
+
+// Start a separate socket process. Performing networking on the socket process
+// is control by a sepparate pref
+// ("network.http.network_access_on_socket_process.enabled").
+// Changing these prefs requires a restart.
+#ifdef NIGHTLY_BUILD
+pref("network.process.enabled", true);
+#else
+pref("network.process.enabled", false);
+#endif
+
 // For speculatively warming up tabs to improve perceived
 // performance while using the async tab switcher.
 pref("browser.tabs.remote.warmup.enabled", true);

modules/libpref/init/all.js

@@ -371,6 +371,7 @@ pref("media.peerconnection.ice.link_local", false); // Set only for testing IPV6
 pref("media.peerconnection.ice.force_interface", ""); // Limit to only a single interface
 pref("media.peerconnection.ice.relay_only", false); // Limit candidates to TURN
 pref("media.peerconnection.use_document_iceservers", true);
+
 pref("media.peerconnection.identity.timeout", 10000);
 pref("media.peerconnection.ice.stun_client_maximum_transmits", 7);
 pref("media.peerconnection.ice.trickle_grace_period", 5000);
@@ -1744,12 +1745,6 @@ pref("network.sts.max_time_for_pr_close_during_shutdown", 5000);
 // The value is expected in seconds.
 pref("network.sts.pollable_event_timeout", 6);
 
-// Start a separate socket process. Performing networking on the socket process
-// is control by a sepparate pref
-// ("network.http.network_access_on_socket_process.enabled").
-// Changing these prefs requires a restart.
-pref("network.process.enabled", false);
-
 // Enable/disable sni encryption.
 pref("network.security.esni.enabled", false);