Move signin status and current user information into AppListModel.

ui/app_list/app_list_model.cc

Index: ui/app_list/app_list_model.cc
diff --git a/ui/app_list/app_list_model.cc b/ui/app_list/app_list_model.cc
index 4f473efbc36a7fe0e134522219338ae7f13e0dc4..a932069d26cacb0dc6cc468edc9f8c25518ebfa5 100644
--- a/ui/app_list/app_list_model.cc
+++ b/ui/app_list/app_list_model.cc
@@ -15,6 +15,7 @@ AppListModel::AppListModel()
     : apps_(new Apps),
       search_box_(new SearchBoxModel),
       results_(new SearchResults),
+      signed_in_(false),
       status_(STATUS_NORMAL) {
 }
 
@@ -39,4 +40,27 @@ void AppListModel::SetStatus(Status status) {
                     OnAppListModelStatusChanged());
 }
 
+void AppListModel::SetCurrentUser(const base::string16& current_user_name,
+                                  const base::string16& current_user_email) {
+  if (current_user_name_ == current_user_name &&
+      current_user_email_ == current_user_email) {
+    return;
+  }
+  current_user_name_ = current_user_name;
+  current_user_email_ = current_user_email;
+  FOR_EACH_OBSERVER(AppListModelObserver,
+                    observers_,
+                    OnAppListModelCurrentUserChanged());
+}
+
+void AppListModel::SetSignedIn(bool signed_in) {
+  if (signed_in_ == signed_in)
+    return;
+
+  signed_in_ = signed_in;
+  FOR_EACH_OBSERVER(AppListModelObserver,
+                    observers_,
+                    OnAppListModelSigninStatusChanged());
+}
+
 }  // namespace app_list