Bug 1650118: Part 8 - Remove useMultiprocess; r=geckoview-reviewers,esawin

Differential Revision: https://phabricator.services.mozilla.com/D92481

mobile/android/actors/WebBrowserChromeChild.jsm

@@ -42,12 +42,6 @@ class WebBrowserChromeChild extends GeckoViewActorChild {
   ) {
     debug`shouldLoadURI ${aURI.displaySpec}`;
 
-    if (!GeckoViewSettings.useMultiprocess) {
-      // If we're in non-e10s mode there's no other process we can load this
-      // page in.
-      return true;
-    }
-
     if (!E10SUtils.shouldLoadURI(aDocShell, aURI, aHasPostData)) {
       E10SUtils.redirectLoad(
         aDocShell,

mobile/android/chrome/geckoview/geckoview.js

@@ -151,7 +151,7 @@ var ModuleManager = {
   remoteTypeFor(aURI, currentType) {
     return E10SUtils.getRemoteTypeForURI(
       aURI,
-      GeckoViewSettings.useMultiprocess,
+      /* multiProcess */ true,
       /* useRemoteSubframes */ false,
       currentType,
       this.browser.currentURI
@@ -510,17 +510,15 @@ function createBrowser() {
   browser.setAttribute("flex", "1");
   browser.setAttribute("maychangeremoteness", "true");
 
-  if (GeckoViewSettings.useMultiprocess) {
-    const pointerEventsEnabled = Services.prefs.getBoolPref(
-      "dom.w3c_pointer_events.multiprocess.android.enabled",
-      false
-    );
-    if (pointerEventsEnabled) {
-      Services.prefs.setBoolPref("dom.w3c_pointer_events.enabled", true);
-    }
-    browser.setAttribute("remote", "true");
-    browser.setAttribute("remoteType", E10SUtils.DEFAULT_REMOTE_TYPE);
+  const pointerEventsEnabled = Services.prefs.getBoolPref(
+    "dom.w3c_pointer_events.multiprocess.android.enabled",
+    false
+  );
+  if (pointerEventsEnabled) {
+    Services.prefs.setBoolPref("dom.w3c_pointer_events.enabled", true);
   }
+  browser.setAttribute("remote", "true");
+  browser.setAttribute("remoteType", E10SUtils.DEFAULT_REMOTE_TYPE);
 
   return browser;
 }

mobile/android/modules/geckoview/GeckoViewSettings.jsm

@@ -48,10 +48,6 @@ const DISPLAY_MODE_FULLSCREEN = 3;
 
 // Handles GeckoSession settings.
 class GeckoViewSettings extends GeckoViewModule {
-  static get useMultiprocess() {
-    return Services.prefs.getBoolPref("browser.tabs.remote.autostart", true);
-  }
-
   onInit() {
     debug`onInit`;
     this._userAgentMode = USER_AGENT_MODE_MOBILE;