Moving the iOS directory to be remoting top level.

remoting/ios/app/pin_entry_view.h

 // Copyright 2017 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 REMOTING_CLIENT_IOS_APP_PIN_ENTRY_VIEW_H_
-#define REMOTING_CLIENT_IOS_APP_PIN_ENTRY_VIEW_H_
+#ifndef REMOTING_IOS_APP_PIN_ENTRY_VIEW_H_
+#define REMOTING_IOS_APP_PIN_ENTRY_VIEW_H_
 
 #import <UIKit/UIKit.h>
 
 @protocol PinEntryDelegate<NSObject>
 
 // Notifies the delegate that a pin has been provided and if we should pair.
 @optional
 - (void)didProvidePin:(NSString*)pin createPairing:(BOOL)createPairing;
 
 @end
 
 // This view is the container for a PIN entry box, a button to submit, and the
 // option box to remember the pairing. All used for entering a PIN based
 // passcode.
 @interface PinEntryView : UIView
 
 // This delegate will handle interactions on the cells in the collection.
 @property(weak, nonatomic) id<PinEntryDelegate> delegate;
 
 @end
 
-#endif  // REMOTING_CLIENT_IOS_APP_PIN_ENTRY_VIEW_H_
+#endif  // REMOTING_IOS_APP_PIN_ENTRY_VIEW_H_