Backed out changeset 9888c5676034 (bug 1727158) for causing failures on image-loading-lazy-negative-margin.html

modules/libpref/init/all.js

@@ -2480,11 +2480,7 @@ pref("dom.ipc.processCount.privilegedabout", 1);
 pref("dom.ipc.processCount.privilegedmozilla", 1);
 
 // Maximum number of isolated content processes per-origin.
-#ifdef ANDROID
 pref("dom.ipc.processCount.webIsolated", 1);
-#else
-pref("dom.ipc.processCount.webIsolated", 4);
-#endif
 
 // Keep a single privileged about process alive for performance reasons.
 // e.g. we do not want to throw content processes out every time we navigate