bug 567583 - Get tabs sync to work for SeaMonkey, r=mconnor

services/sync/modules/util.js

@@ -890,6 +890,13 @@ let Svc = {};
 Svc.Prefs = new Preferences(PREFS_BRANCH);
 Svc.DefaultPrefs = new Preferences({branch: PREFS_BRANCH, defaultBranch: true});
 Svc.Obs = Observers;
+
+this.__defineGetter__("_sessionCID", function() {
+  //sets session CID based on browser type
+  let appInfo = Cc["@mozilla.org/xre/app-info;1"].getService(Ci.nsIXULAppInfo);
+  return appInfo.ID == SEAMONKEY_ID ? "@mozilla.org/suite/sessionstore;1"
+                                    : "@mozilla.org/browser/sessionstore;1";
+});
 [["Annos", "@mozilla.org/browser/annotation-service;1", "nsIAnnotationService"],
  ["AppInfo", "@mozilla.org/xre/app-info;1", "nsIXULAppInfo"],
  ["Bookmark", "@mozilla.org/browser/nav-bookmarks-service;1", "nsINavBookmarksService"],
@@ -912,7 +919,7 @@ Svc.Obs = Observers;
  ["Version", "@mozilla.org/xpcom/version-comparator;1", "nsIVersionComparator"],
  ["WinMediator", "@mozilla.org/appshell/window-mediator;1", "nsIWindowMediator"],
  ["WinWatcher", "@mozilla.org/embedcomp/window-watcher;1", "nsIWindowWatcher"],
- ["Session", "@mozilla.org/browser/sessionstore;1", "nsISessionStore"],
+ ["Session", this._sessionCID, "nsISessionStore"],
 ].forEach(function(lazy) Utils.lazySvc(Svc, lazy[0], lazy[1], lazy[2]));
 
 let Str = {};