Add profile selector menu to app list.

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..88e799b00641ded1ae83fec85b3b074954155cc7 100644
--- a/ui/app_list/app_list_model.cc
+++ b/ui/app_list/app_list_model.cc
@@ -8,6 +8,7 @@
 #include "ui/app_list/app_list_model_observer.h"
 #include "ui/app_list/search_box_model.h"
 #include "ui/app_list/search_result.h"
+#include "ui/base/profile_selector/avatar_menu_item_model.h"
 
 namespace app_list {
 
@@ -19,6 +20,7 @@ AppListModel::AppListModel()
 }
 
 AppListModel::~AppListModel() {
+  STLDeleteElements(&profile_menu_items_);
 }
 
 void AppListModel::AddObserver(AppListModelObserver* observer) {
@@ -39,4 +41,22 @@ void AppListModel::SetStatus(Status status) {
                     OnAppListModelStatusChanged());
 }
 
+void AppListModel::SetCurrentUser(const base::string16& current_user_name,
+                                  const base::string16& current_user_email) {
+  current_user_name_ = current_user_name;
+  current_user_email_ = current_user_email;
+  FOR_EACH_OBSERVER(AppListModelObserver,
+                    observers_,
+                    OnAppListModelProfilesChanged());
+}
+
+void AppListModel::SetProfileMenuItems(
+    const ProfileMenuItems& profile_menu_items) {
+  STLDeleteElements(&profile_menu_items_);
+  profile_menu_items_ = profile_menu_items;
+  FOR_EACH_OBSERVER(AppListModelObserver,
+                    observers_,
+                    OnAppListModelProfilesChanged());
+}
+
 }  // namespace app_list