mash: Replace int ShelfIDs with AppLaunchID strings.

chrome/browser/ui/ash/launcher/extension_launcher_context_menu.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/extension_launcher_context_menu.h"
 
 #include "base/bind.h"
 #include "chrome/browser/extensions/context_menu_matcher.h"
 #include "chrome/browser/extensions/extension_util.h"
 #include "chrome/browser/extensions/launch_util.h"
@@ skipping 193 matching lines @@
       break;
     default:
       if (extension_items_) {
         extension_items_->ExecuteCommand(command_id, nullptr, nullptr,
                                          content::ContextMenuParams());
       }
   }
 }
 
 extensions::LaunchType ExtensionLauncherContextMenu::GetLaunchType() const {
-  const extensions::Extension* extension = GetExtensionForAppID(
-      item().app_launch_id.app_id(), controller()->profile());
+  const extensions::Extension* extension =
+      GetExtensionForAppID(item().id.app_id, controller()->profile());
 
   // An extension can be unloaded/updated/unavailable at any time.
   if (!extension)
     return extensions::LAUNCH_TYPE_DEFAULT;
 
   return extensions::GetLaunchType(
       extensions::ExtensionPrefs::Get(controller()->profile()), extension);
 }
 
 void ExtensionLauncherContextMenu::SetLaunchType(extensions::LaunchType type) {
-  extensions::SetLaunchType(controller()->profile(),
-                            item().app_launch_id.app_id(), type);
+  extensions::SetLaunchType(controller()->profile(), item().id.app_id, type);
 }