[Clean Skeleton] Migrate code to clean/

ios/clean/chrome/browser/web/web_mediator.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.
 
 // ======                        New Architecture                         =====
 // =         This code is only used in the new iOS Chrome architecture.       =
 // ============================================================================
 
-#ifndef IOS_CHROME_BROWSER_WEB_WEB_MEDIATOR_H_
-#define IOS_CHROME_BROWSER_WEB_WEB_MEDIATOR_H_
+#ifndef IOS_CLEAN_CHROME_BROWSER_WEB_WEB_MEDIATOR_H_
+#define IOS_CLEAN_CHROME_BROWSER_WEB_WEB_MEDIATOR_H_
 
 #import <Foundation/Foundation.h>
 
 namespace web {
 class WebState;
 }
 
 // An object to provide extensible access to a webState.
 // Feature implementations that add functionality to a webState by injecting
 // javascript should do so in categories on WebMediator that implement protocols
 // for use by components interfacing with the feature and by webState clients
 // (for example, view controllers displaying webState's view).
 // Category implementations should make use of web_mediator+internals.h to
 // access internal APIs for this class.
 @interface WebMediator : NSObject
 
 - (instancetype)initWithWebState:(web::WebState*)webState
     NS_DESIGNATED_INITIALIZER;
 
 - (instancetype)init NS_UNAVAILABLE;
 
 @property(nonatomic, readonly) web::WebState* webState;
 
 @end
 
-#endif  // IOS_CHROME_BROWSER_WEB_WEB_MEDIATOR_H_
+#endif  // IOS_CLEAN_CHROME_BROWSER_WEB_WEB_MEDIATOR_H_