From a8cef3c2305e9ed659439747c0b43bd7e1e5e4ec Mon Sep 17 00:00:00 2001
From: Andrew McCreight <continuation@gmail.com>
Date: Mon, 27 Mar 2017 11:48:18 -0700
Subject: [PATCH] Bug 1351008 - Lazily load Manifest jsms in
 manifestMessages.js. r=baku

This avoids loading 7 jsms until they are actually needed, reducing
content process memory usage.

MozReview-Commit-ID: 8ukNr7PL80A

--HG--
extra : rebase_source : a926a19645ffcacadec93ecc79927d356d603114
---
 dom/ipc/manifestMessages.js | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/dom/ipc/manifestMessages.js b/dom/ipc/manifestMessages.js
index 11b8627df248..f99d1be24e1a 100644
--- a/dom/ipc/manifestMessages.js
+++ b/dom/ipc/manifestMessages.js
@@ -16,11 +16,16 @@
 const {
   utils: Cu,
 } = Components;
-Cu.import("resource://gre/modules/ManifestObtainer.jsm");
-Cu.import("resource://gre/modules/ManifestFinder.jsm");
-Cu.import("resource://gre/modules/ManifestIcons.jsm");
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 Cu.import("resource://gre/modules/Task.jsm");
 
+XPCOMUtils.defineLazyModuleGetter(this, "ManifestObtainer",
+				  "resource://gre/modules/ManifestObtainer.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "ManifestFinder",
+				  "resource://gre/modules/ManifestFinder.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "ManifestIcons",
+				  "resource://gre/modules/ManifestIcons.jsm");
+
 const MessageHandler = {
   registerListeners() {
     addMessageListener(