arc: Make Play Store item persistance in shelf.

chrome/browser/ui/app_list/arc/arc_app_utils.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/app_list/arc/arc_app_utils.h"
 
 #include "ash/shell.h"
 #include "base/bind.h"
 #include "base/synchronization/waitable_event.h"
 #include "chrome/browser/ui/app_list/arc/arc_app_list_prefs.h"
@@ skipping 91 matching lines @@
     result.set_x((work_area.width() - result.width()) / 2);
     result.set_y((work_area.height() - result.height()) / 2);
     return result;
   }
 
   DISALLOW_COPY_AND_ASSIGN(LaunchAppWithoutSize);
 };
 
 }  // namespace
 
+const char kPlayStoreAppId[] = "gpkmicpkkebkmabiaedjognfppcchdfa";
+
 bool LaunchAppWithRect(content::BrowserContext* context,
                        const std::string& app_id,
                        const gfx::Rect& target_rect) {
   ArcAppListPrefs* prefs = ArcAppListPrefs::Get(context);
   CHECK(prefs);
 
   std::unique_ptr<ArcAppListPrefs::AppInfo> app_info = prefs->GetApp(app_id);
   if (!app_info) {
     VLOG(2) << "Cannot launch unavailable app: " << app_id << ".";
     return false;
@@ skipping 99 matching lines @@
 
   if (bridge_service->app_version() < 2) {
     LOG(ERROR) << "Request to uninstall package when version "
                << bridge_service->app_version() << " does not support it";
     return;
   }
   app_instance->UninstallPackage(package_name);
 }
 
 }  // namespace arc