--- a/mobile/android/chrome/geckoview/GeckoViewContent.js
+++ b/mobile/android/chrome/geckoview/GeckoViewContent.js
@@ -1,18 +1,21 @@
 /* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 const { classes: Cc, interfaces: Ci, utils: Cu } = Components;
 
 Cu.import("resource://gre/modules/GeckoViewContentModule.jsm");
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 
-var dump = Cu.import("resource://gre/modules/AndroidLog.jsm", {}).AndroidLog.d.bind(null, "ViewContent");
+XPCOMUtils.defineLazyGetter(this, "dump", () =>
+    Cu.import("resource://gre/modules/AndroidLog.jsm",
+              {}).AndroidLog.d.bind(null, "ViewContent"));
 
 function debug(aMsg) {
   // dump(aMsg);
 }
 
 class GeckoViewContent extends GeckoViewContentModule {
   register() {
     debug("register");

--- a/mobile/android/chrome/geckoview/GeckoViewScrollContent.js
+++ b/mobile/android/chrome/geckoview/GeckoViewScrollContent.js
@@ -1,19 +1,21 @@
 /* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 const { classes: Cc, interfaces: Ci, utils: Cu } = Components;
 
 Cu.import("resource://gre/modules/GeckoViewContentModule.jsm");
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 
-var dump = Cu.import("resource://gre/modules/AndroidLog.jsm", {})
-           .AndroidLog.d.bind(null, "ViewScrollContent");
+XPCOMUtils.defineLazyGetter(this, "dump", () =>
+    Cu.import("resource://gre/modules/AndroidLog.jsm",
+              {}).AndroidLog.d.bind(null, "ViewScrollContent"));
 
 function debug(aMsg) {
   // dump(aMsg);
 }
 
 class GeckoViewScrollContent extends GeckoViewContentModule {
   register() {
     debug("register");

--- a/mobile/android/chrome/geckoview/geckoview.js
+++ b/mobile/android/chrome/geckoview/geckoview.js
@@ -9,18 +9,19 @@ const { classes: Cc, interfaces: Ci, uti
 Cu.import("resource://gre/modules/AppConstants.jsm");
 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 
 XPCOMUtils.defineLazyModuleGetter(this, "EventDispatcher",
   "resource://gre/modules/Messaging.jsm");
 XPCOMUtils.defineLazyGetter(this, "WindowEventDispatcher",
   () => EventDispatcher.for(window));
 
-var dump = Cu.import("resource://gre/modules/AndroidLog.jsm", {})
-           .AndroidLog.d.bind(null, "View");
+XPCOMUtils.defineLazyGetter(this, "dump", () =>
+    Cu.import("resource://gre/modules/AndroidLog.jsm",
+              {}).AndroidLog.d.bind(null, "View"));
 
 // Creates and manages GeckoView modules.
 // A module must extend GeckoViewModule.
 // Instantiate a module by calling
 //   add(<resource path>, <type name>)
 // and remove by calling
 //   remove(<type name>)
 var ModuleManager = {

--- a/mobile/android/modules/geckoview/GeckoViewContent.jsm
+++ b/mobile/android/modules/geckoview/GeckoViewContent.jsm
@@ -4,19 +4,21 @@
 
 "use strict";
 
 this.EXPORTED_SYMBOLS = ["GeckoViewContent"];
 
 const { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components;
 
 Cu.import("resource://gre/modules/GeckoViewModule.jsm");
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 
-var dump = Cu.import("resource://gre/modules/AndroidLog.jsm", {})
-           .AndroidLog.d.bind(null, "ViewContent");
+XPCOMUtils.defineLazyGetter(this, "dump", () =>
+    Cu.import("resource://gre/modules/AndroidLog.jsm",
+              {}).AndroidLog.d.bind(null, "ViewContent"));
 
 function debug(aMsg) {
   // dump(aMsg);
 }
 
 class GeckoViewContent extends GeckoViewModule {
   init() {
     this.frameScriptLoaded = false;

--- a/mobile/android/modules/geckoview/GeckoViewContentModule.jsm
+++ b/mobile/android/modules/geckoview/GeckoViewContentModule.jsm
@@ -8,18 +8,19 @@ this.EXPORTED_SYMBOLS = ["GeckoViewConte
 
 const { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components;
 
 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 
 XPCOMUtils.defineLazyModuleGetter(this, "EventDispatcher",
   "resource://gre/modules/Messaging.jsm");
 
-var dump = Cu.import("resource://gre/modules/AndroidLog.jsm", {})
-           .AndroidLog.d.bind(null, "ViewContentModule");
+XPCOMUtils.defineLazyGetter(this, "dump", () =>
+    Cu.import("resource://gre/modules/AndroidLog.jsm",
+              {}).AndroidLog.d.bind(null, "ViewContentModule"));
 
 function debug(aMsg) {
   // dump(aMsg);
 }
 
 class GeckoViewContentModule {
   constructor(aModuleName, aMessageManager) {
     this.moduleName = aModuleName;

--- a/mobile/android/modules/geckoview/GeckoViewModule.jsm
+++ b/mobile/android/modules/geckoview/GeckoViewModule.jsm
@@ -3,18 +3,21 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 "use strict";
 
 this.EXPORTED_SYMBOLS = ["GeckoViewModule"];
 
 const { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components;
 
-var dump = Cu.import("resource://gre/modules/AndroidLog.jsm", {})
-           .AndroidLog.d.bind(null, "ViewModule");
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+
+XPCOMUtils.defineLazyGetter(this, "dump", () =>
+    Cu.import("resource://gre/modules/AndroidLog.jsm",
+              {}).AndroidLog.d.bind(null, "ViewModule"));
 
 function debug(aMsg) {
   // dump(aMsg);
 }
 
 class GeckoViewModule {
   constructor(aModuleName, aWindow, aBrowser, aEventDispatcher) {
     this.window = aWindow;

--- a/mobile/android/modules/geckoview/GeckoViewNavigation.jsm
+++ b/mobile/android/modules/geckoview/GeckoViewNavigation.jsm
@@ -11,18 +11,19 @@ const { classes: Cc, interfaces: Ci, uti
 Cu.import("resource://gre/modules/GeckoViewModule.jsm");
 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 
 XPCOMUtils.defineLazyModuleGetter(this, "EventDispatcher",
   "resource://gre/modules/Messaging.jsm");
 XPCOMUtils.defineLazyModuleGetter(this, "Services",
   "resource://gre/modules/Services.jsm");
 
-var dump = Cu.import("resource://gre/modules/AndroidLog.jsm", {})
-           .AndroidLog.d.bind(null, "ViewNavigation");
+XPCOMUtils.defineLazyGetter(this, "dump", () =>
+    Cu.import("resource://gre/modules/AndroidLog.jsm",
+              {}).AndroidLog.d.bind(null, "ViewNavigation"));
 
 function debug(aMsg) {
   // dump(aMsg);
 }
 
 // Handles navigation requests between Gecko and a GeckoView.
 // Implements GeckoView.loadUri via openURI.
 // Handles GeckoView:GoBack and :GoForward requests dispatched by

--- a/mobile/android/modules/geckoview/GeckoViewProgress.jsm
+++ b/mobile/android/modules/geckoview/GeckoViewProgress.jsm
@@ -10,18 +10,19 @@ const { classes: Cc, interfaces: Ci, uti
 
 Cu.import("resource://gre/modules/GeckoViewModule.jsm");
 Cu.import("resource://gre/modules/Services.jsm");
 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 
 XPCOMUtils.defineLazyModuleGetter(this, "EventDispatcher",
   "resource://gre/modules/Messaging.jsm");
 
-var dump = Cu.import("resource://gre/modules/AndroidLog.jsm", {})
-           .AndroidLog.d.bind(null, "ViewProgress");
+XPCOMUtils.defineLazyGetter(this, "dump", () =>
+    Cu.import("resource://gre/modules/AndroidLog.jsm",
+              {}).AndroidLog.d.bind(null, "ViewProgress"));
 
 function debug(aMsg) {
   // dump(aMsg);
 }
 
 var IdentityHandler = {
   // No trusted identity information. No site identity icon is shown.
   IDENTITY_MODE_UNKNOWN: "unknown",

--- a/mobile/android/modules/geckoview/GeckoViewScroll.jsm
+++ b/mobile/android/modules/geckoview/GeckoViewScroll.jsm
@@ -4,19 +4,21 @@
 
 "use strict";
 
 this.EXPORTED_SYMBOLS = ["GeckoViewScroll"];
 
 const { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components;
 
 Cu.import("resource://gre/modules/GeckoViewModule.jsm");
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 
-var dump = Cu.import("resource://gre/modules/AndroidLog.jsm", {})
-           .AndroidLog.d.bind(null, "ViewScroll");
+XPCOMUtils.defineLazyGetter(this, "dump", () =>
+    Cu.import("resource://gre/modules/AndroidLog.jsm",
+              {}).AndroidLog.d.bind(null, "ViewScroll"));
 
 function debug(aMsg) {
   // dump(aMsg);
 }
 
 class GeckoViewScroll extends GeckoViewModule {
   init() {
     debug("init");

--- a/mobile/android/modules/geckoview/GeckoViewSettings.jsm
+++ b/mobile/android/modules/geckoview/GeckoViewSettings.jsm
@@ -9,18 +9,19 @@ this.EXPORTED_SYMBOLS = ["GeckoViewSetti
 const { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components;
 
 Cu.import("resource://gre/modules/GeckoViewModule.jsm");
 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 
 XPCOMUtils.defineLazyModuleGetter(this, "SafeBrowsing",
   "resource://gre/modules/SafeBrowsing.jsm");
 
-var dump = Cu.import("resource://gre/modules/AndroidLog.jsm", {})
-           .AndroidLog.d.bind(null, "ViewSettings");
+XPCOMUtils.defineLazyGetter(this, "dump", () =>
+    Cu.import("resource://gre/modules/AndroidLog.jsm",
+              {}).AndroidLog.d.bind(null, "ViewSettings"));
 
 function debug(aMsg) {
   // dump(aMsg);
 }
 
 // Handles GeckoView settings including:
 // * tracking protection
 // * multiprocess