Introduce AppsClient and use it in apps to get the loaded profiles list.

chrome/browser/ui/ash/launcher/shell_window_launcher_controller.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/ash/launcher/shell_window_launcher_controller.h"
 
 #include "apps/shell_window.h"
 #include "ash/shell.h"
 #include "ash/wm/window_util.h"
 #include "base/stl_util.h"
 #include "base/strings/stringprintf.h"
+#include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
 #include "chrome/browser/ui/ash/launcher/shell_window_launcher_item_controller.h"
 #include "ui/aura/client/activation_client.h"
 
 using apps::ShellWindow;
 
 namespace {
 
 std::string GetAppLauncherId(ShellWindow* shell_window) {
   if (shell_window->window_type_is_panel())
@@ skipping 145 matching lines @@
   WindowToAppLauncherIdMap::iterator iter1 =
       window_to_app_launcher_id_map_.find(window);
   if (iter1 == window_to_app_launcher_id_map_.end())
     return NULL;
   std::string app_launcher_id = iter1->second;
   AppControllerMap::iterator iter2 = app_controller_map_.find(app_launcher_id);
   if (iter2 == app_controller_map_.end())
     return NULL;
   return iter2->second;
 }