Use mojo Shelf interfaces for both mash and classic ash.

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/app_list/arc/arc_app_utils.h"
@@ skipping 28 matching lines @@
       NOTREACHED();
       return kNoAction;
     }
     arc::SetTaskActive(*task_ids_.begin());
     return kNewWindowCreated;
   }
 }
 
 base::string16 ArcAppWindowLauncherItemController::GetTitle() {
   ArcAppListPrefs* arc_prefs =
-      ArcAppListPrefs::Get(launcher_controller()->GetProfile());
+      ArcAppListPrefs::Get(launcher_controller()->profile());
   DCHECK(arc_prefs);
   std::unique_ptr<ArcAppListPrefs::AppInfo> app_info = arc_prefs->GetApp(
       ArcAppWindowLauncherController::GetArcAppIdFromShelfAppId(app_id()));
   if (!app_info) {
     NOTREACHED();
     return base::string16();
   }
 
   return base::UTF8ToUTF16(app_info->name);
 }
@@ skipping 12 matching lines @@
     size_t i = std::distance(windows().begin(), it);
     gfx::Image image;
     aura::Window* window = (*it)->GetNativeWindow();
     items.push_back(new ChromeLauncherAppMenuItemV2App(
         ((window && !window->title().empty()) ? window->title() : GetTitle()),
         &image, app_id(), launcher_controller(), i,
         i == 0 /* has_leading_separator */));
   }
   return items;
 }