Turn app notifications sync to be on by default

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index 5251a7f13de99fc0a01dde43eca316aef7b14994..a8459c5472d0dc435cc92a3678aeb45174910bfb 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -315,6 +315,9 @@ const char kDisableSync[]                   = "disable-sync";
 // Disables syncing of apps.
 const char kDisableSyncApps[]               = "disable-sync-apps";
 
+// Disable syncing app notifications.
+const char kDisableSyncAppNotifications[]    = "disable-sync-app-notifications";
+
 // Disables syncing of autofill.
 const char kDisableSyncAutofill[]           = "disable-sync-autofill";
 
@@ -556,9 +559,6 @@ const char kEnableSyncTabs[]                = "enable-sync-tabs";
 const char kEnableSyncTabsForOtherClients[] =
     "enable-sync-tabs-for-other-clients";
 
-// Enable syncing app notifications.
-const char kEnableSyncAppNotifications[]    = "enable-sync-app-notifications";
-
 // Enables context menu for selecting groups of tabs.
 const char kEnableTabGroupsContextMenu[]    = "enable-tab-groups-context-menu";