[Clean Skeleton] Migrate code to clean/

ios/clean/chrome/browser/web/web_mediator.mm

 // 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.       =
 // ============================================================================
 
-#import "ios/chrome/browser/web/web_mediator+internal.h"
-#import "ios/chrome/browser/web/web_mediator.h"
+#import "ios/clean/chrome/browser/web/web_mediator+internal.h"
+#import "ios/clean/chrome/browser/web/web_mediator.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
 @interface WebMediator ()
 @property(nonatomic, readwrite, assign) web::WebState* webState;
 @property(nonatomic, readwrite, strong) NSMutableDictionary* injectors;
 @end
 
 @implementation WebMediator
 @synthesize webState = _webState;
 @synthesize injectors = _injectors;
 
 - (instancetype)initWithWebState:(web::WebState*)webState {
   if (self = [super init]) {
     _webState = webState;
     _injectors = [[NSMutableDictionary alloc] init];
   }
   return self;
 }
 
 @end