Use mojo Shelf interfaces for both mash and classic ash.

chrome/browser/ui/ash/launcher/launcher_controller_helper.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/launcher_controller_helper.h"
 
 #include <vector>
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 146 matching lines @@
     DCHECK(arc_auth_service);
     if (!arc_auth_service->IsAllowed())
       return false;
     if (!arc_auth_service->IsArcEnabled() && arc_auth_service->IsArcManaged())
       return false;
   }
 
   return true;
 }
 
-void LauncherControllerHelper::SetCurrentUser(Profile* profile) {
-  profile_ = profile;
-}
-
 void LauncherControllerHelper::LaunchApp(const std::string& app_id,
                                          ash::LaunchSource source,
                                          int event_flags) {
   const ArcAppListPrefs* arc_prefs = GetArcAppListPrefs();
   if (arc_prefs && arc_prefs->IsRegistered(app_id)) {
     arc::LaunchApp(profile_, app_id);
     return;
   }
 
   // |extension| could be null when it is being unloaded for updating.
@@ skipping 35 matching lines @@
 
 void LauncherControllerHelper::ExtensionEnableFlowFinished() {
   LaunchApp(extension_enable_flow_->extension_id(), ash::LAUNCH_FROM_UNKNOWN,
             ui::EF_NONE);
   extension_enable_flow_.reset();
 }
 
 void LauncherControllerHelper::ExtensionEnableFlowAborted(bool user_initiated) {
   extension_enable_flow_.reset();
 }