arc: Use v2/auth LSO page.

chrome/browser/chromeos/arc/arc_support_host.h

 // 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.
 
-#ifndef CHROME_BROWSER_EXTENSIONS_API_MESSAGING_ARC_SUPPORT_HOST_H_
-#define CHROME_BROWSER_EXTENSIONS_API_MESSAGING_ARC_SUPPORT_HOST_H_
+#ifndef CHROME_BROWSER_CHROMEOS_ARC_ARC_SUPPORT_HOST_H_
+#define CHROME_BROWSER_CHROMEOS_ARC_ARC_SUPPORT_HOST_H_
 
 #include "base/macros.h"
 #include "chrome/browser/chromeos/arc/arc_auth_service.h"
 #include "extensions/browser/api/messaging/native_message_host.h"
 
 // Supports communication with Arc support dialog.
 class ArcSupportHost : public extensions::NativeMessageHost,
                        public arc::ArcAuthService::Observer {
  public:
   static const char kHostName[];
@@ skipping 17 matching lines @@
   ArcSupportHost();
 
   void SendLocalization();
 
   // Unowned pointer.
   Client* client_ = nullptr;
 
   DISALLOW_COPY_AND_ASSIGN(ArcSupportHost);
 };
 
-#endif  // CHROME_BROWSER_EXTENSIONS_API_MESSAGING_ARC_SUPPORT_HOST_H_
+#endif  // CHROME_BROWSER_CHROMEOS_ARC_ARC_SUPPORT_HOST_H_