[iOS Clean] Created OverlayService.

ios/shared/chrome/browser/ui/dialogs/nsurl_protection_space_util.h

 // Copyright 2015 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 IOS_CHROME_BROWSER_UI_DIALOGS_NSURL_PROTECTION_SPACE_UTIL_H_
-#define IOS_CHROME_BROWSER_UI_DIALOGS_NSURL_PROTECTION_SPACE_UTIL_H_
+#ifndef IOS_SHARED_CHROME_BROWSER_UI_DIALOGS_NSURL_PROTECTION_SPACE_UTIL_H_
+#define IOS_SHARED_CHROME_BROWSER_UI_DIALOGS_NSURL_PROTECTION_SPACE_UTIL_H_
 
 #import <Foundation/Foundation.h>
 
 class GURL;
 
 namespace ios_internal {
 namespace nsurlprotectionspace_util {
 
 // Information describing dialog requester used as dialog subtitle.
 NSString* MessageForHTTPAuth(NSURLProtectionSpace* protectionSpace);
 
 // Returns YES if dialog can be shown for set |protectionSpace|.
 BOOL CanShow(NSURLProtectionSpace* protectionSpace);
 
 // String represending authentication requester (origin URL or hostname).
 NSString* RequesterIdentity(NSURLProtectionSpace* protectionSpace);
 
 // URL origin of the dialog requester.
 GURL RequesterOrigin(NSURLProtectionSpace* protectionSpace);
 
 }  // namespace nsurlprotectionspace_util
 }  // namespace ios_internal
 
-#endif  // IOS_CHROME_BROWSER_UI_DIALOGS_NSURL_PROTECTION_SPACE_UTIL_H_
+#endif  // IOS_SHARED_CHROME_BROWSER_UI_DIALOGS_NSURL_PROTECTION_SPACE_UTIL_H_