arc: Make Play Store item persistance in shelf.

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

 // Copyright 2016 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/arc_app_window_launcher_item_controller.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/app_list/arc/arc_app_list_prefs.h"
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_app_menu_item_v2app.h"
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
 
 ArcAppWindowLauncherItemController::ArcAppWindowLauncherItemController(
-    const std::string& app_id,
+    const std::string& shelf_app_id,
+    const std::string& arc_app_id,
     ChromeLauncherController* controller)
-    : AppWindowLauncherItemController(TYPE_APP, app_id, app_id, controller) {}
+    : AppWindowLauncherItemController(TYPE_APP,
+                                      shelf_app_id,
+                                      arc_app_id,
+                                      controller) {}
 
 ArcAppWindowLauncherItemController::~ArcAppWindowLauncherItemController() {}
 
 base::string16 ArcAppWindowLauncherItemController::GetTitle() {
   ArcAppListPrefs* arc_prefs =
       ArcAppListPrefs::Get(launcher_controller()->profile());
   DCHECK(arc_prefs);
   std::unique_ptr<ArcAppListPrefs::AppInfo> app_info =
       arc_prefs->GetApp(app_id());
   if (!app_info) {
@@ skipping 15 matching lines @@
       AppWindowLauncherItemController::GetApplicationList(event_flags);
   for (size_t i = 0; i < windows().size(); ++i) {
     // TODO(khmel): resolve correct icon here.
     gfx::Image image;
     items.push_back(new ChromeLauncherAppMenuItemV2App(
         GetTitle(), &image, app_id(), launcher_controller(), i,
         i == 0 /* has_leading_separator */));
   }
   return items;
 }