Add profile selector menu to app list.

ui/app_list/app_list_menu.cc

Index: ui/app_list/app_list_menu.cc
diff --git a/ui/app_list/app_list_menu.cc b/ui/app_list/app_list_menu.cc
index 95d6ac38d91b3acc2f6355b56a68e241dd00d953..7a73ef43b8837e2e7cc44b1e1edd22e8b95093a1 100644
--- a/ui/app_list/app_list_menu.cc
+++ b/ui/app_list/app_list_menu.cc
@@ -8,20 +8,33 @@
 #include "ui/app_list/app_list_view_delegate.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/models/menu_separator_types.h"
+#include "ui/base/profile_selector/avatar_menu_item_model.h"
 #include "ui/base/resource/resource_bundle.h"
 
 namespace app_list {
 
-AppListMenu::AppListMenu(AppListViewDelegate* delegate)
-    : menu_model_(this),
-      delegate_(delegate) {
+AppListMenu::AppListMenu(
+    AppListViewDelegate* delegate,
+    const app_list::AppListModel::ProfileMenuItems& profile_menu_items)
+        : menu_model_(this),
+          profiles_model_(this),
+          delegate_(delegate),
+          profile_menu_items_(profile_menu_items) {
   InitMenu();
 }
 
 AppListMenu::~AppListMenu() {}
 
 void AppListMenu::InitMenu() {
-  menu_model_.AddItem(CURRENT_USER, base::string16());
+  // Don't show the profile selector submenu if there is only one profile.
+  if (profile_menu_items_.size() == 1) {
+    menu_model_.AddItem(CURRENT_USER, base::string16());
+  } else {
+    for (size_t i = 0; i < profile_menu_items_.size(); ++i) {
+      profiles_model_.AddItem(SELECT_PROFILE + i, profile_menu_items_[i]->name);
+    }
+    menu_model_.AddSubMenu(CURRENT_USER, base::string16(), &profiles_model_);
+  }
   menu_model_.AddSeparator(ui::NORMAL_SEPARATOR);
 
   menu_model_.AddItem(SHOW_SETTINGS, l10n_util::GetStringUTF16(
@@ -48,6 +61,11 @@ bool AppListMenu::GetAcceleratorForCommandId(int command_id,
 }
 
 void AppListMenu::ExecuteCommand(int command_id, int event_flags) {
+  if (command_id >= SELECT_PROFILE) {
+    delegate_->ShowForProfileByPath(
+        profile_menu_items_[command_id - SELECT_PROFILE]->profile_path);
+    return;
+  }
   switch (command_id) {
     case CURRENT_USER:
       break;  // Do nothing.