Bug 1472491: Part 5κ - Add ManifestMessagesChild actor. r=mconley

MozReview-Commit-ID: 20toouW9YzT

--HG--
rename : dom/ipc/ManifestMessages.jsm => dom/ipc/ManifestMessagesChild.jsm
extra : rebase_source : 204b5e01e5a2bd15a077e763e27155016c886818

browser/base/content/tab-content.js

@@ -25,12 +25,6 @@ var global = this;
 XPCOMUtils.defineLazyProxy(this, "LightweightThemeChildHelper",
   "resource:///modules/LightweightThemeChildHelper.jsm");
 
-XPCOMUtils.defineLazyProxy(this, "ManifestMessages", () => {
-  let tmp = {};
-  ChromeUtils.import("resource://gre/modules/ManifestMessages.jsm", tmp);
-  return new tmp.ManifestMessages(global);
-});
-
 let themeablePagesWhitelist = new Set([
   "about:home",
   "about:newtab",
@@ -92,8 +86,3 @@ addEventListener("MozAfterPaint", function onFirstNonBlankPaint() {
   removeEventListener("MozAfterPaint", onFirstNonBlankPaint);
   sendAsyncMessage("Browser:FirstNonBlankPaint");
 });
-
-addMessageListener("DOM:WebManifest:hasManifestLink", ManifestMessages);
-addMessageListener("DOM:ManifestObtainer:Obtain", ManifestMessages);
-addMessageListener("DOM:Manifest:FireAppInstalledEvent", ManifestMessages);
-addMessageListener("DOM:WebManifest:fetchIcon", ManifestMessages);

dom/ipc/ManifestMessagesChild.jsm

@@ -13,8 +13,9 @@
  */
 "use strict";
 
-var EXPORTED_SYMBOLS = ["ManifestMessages"];
+var EXPORTED_SYMBOLS = ["ManifestMessagesChild"];
 
+ChromeUtils.import("resource://gre/modules/ActorChild.jsm");
 ChromeUtils.import("resource://gre/modules/XPCOMUtils.jsm");
 
 ChromeUtils.defineModuleGetter(this, "ManifestObtainer",
@@ -24,11 +25,7 @@ ChromeUtils.defineModuleGetter(this, "ManifestFinder",
 ChromeUtils.defineModuleGetter(this, "ManifestIcons",
                                "resource://gre/modules/ManifestIcons.jsm");
 
-class ManifestMessages {
-  constructor(mm) {
-    this.mm = mm;
-  }
-
+class ManifestMessagesChild extends ActorChild {
   receiveMessage(message) {
     switch (message.name) {
     case "DOM:WebManifest:hasManifestLink":

dom/ipc/moz.build

@@ -14,7 +14,7 @@ XPIDL_SOURCES += [
 XPIDL_MODULE = 'dom'
 
 EXTRA_JS_MODULES += [
-    'ManifestMessages.jsm',
+    'ManifestMessagesChild.jsm',
 ]
 
 EXPORTS.mozilla.dom.ipc += [

toolkit/modules/ActorManagerParent.jsm

@@ -140,6 +140,19 @@ let ACTORS = {
     },
   },
 
+  ManifestMessages: {
+    child: {
+      module: "resource://gre/modules/ManifestMessagesChild.jsm",
+      group: "browsers",
+      messages: [
+        "DOM:Manifest:FireAppInstalledEvent",
+        "DOM:ManifestObtainer:Obtain",
+        "DOM:WebManifest:fetchIcon",
+        "DOM:WebManifest:hasManifestLink",
+      ],
+    },
+  },
+
   PopupBlocking: {
     child: {
       module: "resource://gre/actors/PopupBlockingChild.jsm",