Separate the NTP app ordering from the app list app ordering

chrome/browser/extensions/app_sync_data.h

Index: chrome/browser/extensions/app_sync_data.h
diff --git a/chrome/browser/extensions/app_sync_data.h b/chrome/browser/extensions/app_sync_data.h
index 0d2c67fd362956fc10f7086c73c79fe5cec73158..a27d2398004b15a736be33db0d39146359c58df5 100644
--- a/chrome/browser/extensions/app_sync_data.h
+++ b/chrome/browser/extensions/app_sync_data.h
@@ -32,7 +32,8 @@ class AppSyncData {
               bool enabled,
               bool incognito_enabled,
               const syncer::StringOrdinal& app_launch_ordinal,
-              const syncer::StringOrdinal& page_ordinal);
+              const syncer::StringOrdinal& page_ordinal,
+              const syncer::StringOrdinal& app_list_ordinal);
   ~AppSyncData();
 
   // Retrive sync data from this class.
@@ -50,7 +51,9 @@ class AppSyncData {
     return app_launch_ordinal_;
   }
   const syncer::StringOrdinal& page_ordinal() const { return page_ordinal_; }
-
+  const syncer::StringOrdinal& app_list_ordinal() const {
+    return app_list_ordinal_;
+  }
   const ExtensionSyncData& extension_sync_data() const {
     return extension_sync_data_;
   }
@@ -67,6 +70,7 @@ class AppSyncData {
   ExtensionSyncData extension_sync_data_;
   syncer::StringOrdinal app_launch_ordinal_;
   syncer::StringOrdinal page_ordinal_;
+  syncer::StringOrdinal app_list_ordinal_;
 };
 
 }  // namespace extensions