[Clean Skeleton] Migrate code to clean/

ios/chrome/browser/ui/tab/tab_coordinator.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_UI_TAB_TAB_COORDINATOR_H_
-#define IOS_CHROME_BROWSER_UI_TAB_TAB_COORDINATOR_H_
-
-#import <UIKit/UIKit.h>
-#import "ios/chrome/browser/browser_coordinator.h"
-
-namespace web {
-class WebState;
-}
-
-// Coordinator that runs a tab: A composed UI consisting of a web view plus
-// additional UI components such as a toolbar.
-@interface TabCoordinator : BrowserCoordinator
-
-// The webState representing the web page that will be displayed in this tab.
-// Calling code should assign this before starting this coordinator.
-// This coordinator doesn't assume ownersip of |webState|.
-@property(nonatomic, assign) web::WebState* webState;
-
-// An opaque key provided by this coordinator's parent which can be passed in
-// to a transition animation to synchronize the presentation with the presenting
-// view controller, if any.
-@property(nonatomic, copy) NSObject* presentationKey;
-
-@end
-
-#endif  // IOS_CHROME_BROWSER_UI_TAB_TAB_COORDINATOR_H_