Add a couple of notifications related settings to app/extensions sync:

chrome/browser/extensions/extension_sync_data.cc

Index: chrome/browser/extensions/extension_sync_data.cc
===================================================================
--- chrome/browser/extensions/extension_sync_data.cc	(revision 107300)
+++ chrome/browser/extensions/extension_sync_data.cc	(working copy)
@@ -13,14 +13,18 @@
     : uninstalled_(false),
       enabled_(false),
       incognito_enabled_(false),
-      type_(Extension::SYNC_TYPE_NONE) {
+      type_(Extension::SYNC_TYPE_NONE),
+      notifications_initial_setup_done_(false),
+      notifications_disabled_(false) {
 }
 
 ExtensionSyncData::ExtensionSyncData(const SyncData& sync_data)
     : uninstalled_(false),
       enabled_(false),
       incognito_enabled_(false),
-      type_(Extension::SYNC_TYPE_NONE) {
+      type_(Extension::SYNC_TYPE_NONE),
+      notifications_initial_setup_done_(false),
+      notifications_disabled_(false) {
   PopulateFromSyncData(sync_data);
 }
 
@@ -31,7 +35,9 @@
 
 ExtensionSyncData::ExtensionSyncData(const Extension& extension,
                                      bool enabled,
-                                     bool incognito_enabled)
+                                     bool incognito_enabled,
+                                     bool notifications_initial_setup_done,
+                                     bool notifications_disabled)
   : id_(extension.id()),
     uninstalled_(false),
     enabled_(enabled),
@@ -39,11 +45,23 @@
     type_(extension.GetSyncType()),
     version_(*extension.version()),
     update_url_(extension.update_url()),
-    name_(extension.name()) {
+    name_(extension.name()),
+    notifications_initial_setup_done_(notifications_initial_setup_done),
+    notifications_disabled_(notifications_disabled) {
 }
 
 ExtensionSyncData::~ExtensionSyncData() {}
 
+void ExtensionSyncData::PopulateAppSpecifics(
+    sync_pb::AppSpecifics* specifics) const {
+  DCHECK(specifics);
+  sync_pb::AppNotificationSettings* notif_settings =
+      specifics->mutable_notification_settings();
+  notif_settings->set_initial_setup_done(notifications_initial_setup_done_);
+  notif_settings->set_disabled(notifications_disabled_);
+  PopulateSyncSpecifics(specifics->mutable_extension());
+}
+
 void ExtensionSyncData::PopulateSyncSpecifics(
     sync_pb::ExtensionSpecifics* specifics) const {
   DCHECK(Extension::IdIsValid(id_));
@@ -61,18 +79,15 @@
 
   switch (type_) {
     case Extension::SYNC_TYPE_EXTENSION:
-      extension_specifics = specifics.MutableExtension(sync_pb::extension);
+      PopulateSyncSpecifics(specifics.MutableExtension(sync_pb::extension));
       break;
     case Extension::SYNC_TYPE_APP:
-      extension_specifics =
-          specifics.MutableExtension(sync_pb::app)->mutable_extension();
+      PopulateAppSpecifics(specifics.MutableExtension(sync_pb::app));
       break;
     default:
       LOG(FATAL) << "Attempt to get non-syncable data.";
   }
 
-  PopulateSyncSpecifics(extension_specifics);
-
   return SyncData::CreateLocalData(id_, name_, specifics);
 }
 
@@ -112,9 +127,18 @@
     extension_expecifics = entity_specifics.GetExtension(sync_pb::extension);
     type_ = Extension::SYNC_TYPE_EXTENSION;
   } else if (entity_specifics.HasExtension(sync_pb::app)) {
-    extension_expecifics =
-        entity_specifics.GetExtension(sync_pb::app).extension();
+    sync_pb::AppSpecifics app_specifics = entity_specifics.GetExtension(
+        sync_pb::app);
+    extension_expecifics = app_specifics.extension();
     type_ = Extension::SYNC_TYPE_APP;
+    notifications_initial_setup_done_ =
+        app_specifics.has_notification_settings() &&
+        app_specifics.notification_settings().has_initial_setup_done() &&
+        app_specifics.notification_settings().initial_setup_done();
+    notifications_disabled_ =
+        app_specifics.has_notification_settings() &&
+        app_specifics.notification_settings().has_disabled() &&
+        app_specifics.notification_settings().disabled();
   } else {
     LOG(FATAL) << "Attempt to sync bad EntitySpecifics.";
   }