Remove old Chromoting iOS client

remoting/ios/ui/pin_entry_view_controller.h

-// Copyright 2014 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_IOS_UI_PIN_ENTRY_VIEW_CONTROLLER_H_
-#define REMOTING_IOS_UI_PIN_ENTRY_VIEW_CONTROLLER_H_
-
-#import <UIKit/UIKit.h>
-
-// Contract to handle finalization for Pin Prompt
-@protocol PinEntryViewControllerDelegate<NSObject>
-
-// Returns with user's Pin.  Pin has not been validated with the server yet.
-// |shouldPrompt| indicates whether a prompt should be needed for the next login
-// attempt with this host.
-- (void)connectToHostWithPin:(UIViewController*)controller
-                     hostPin:(NSString*)hostPin
-                shouldPrompt:(BOOL)shouldPrompt;
-
-// Returns when the user has cancelled the input, effectively closing the
-// connection attempt.
-- (void)cancelledConnectToHostWithPin:(UIViewController*)controller;
-
-@end
-
-// Dialog for user's Pin input. If a host has |pairingSupported| then user has
-// the option to save a token for authentication.
-@interface PinEntryViewController : UIViewController<UITextFieldDelegate> {
- @private
-  IBOutlet UIView* _controlView;
-  IBOutlet UIButton* _cancelButton;
-  IBOutlet UIButton* _connectButton;
-  IBOutlet UILabel* _host;
-  IBOutlet UISwitch* _switchAskAgain;
-  IBOutlet UILabel* _shouldSavePin;
-  IBOutlet UITextField* _hostPin;
-}
-
-@property(weak, nonatomic) id<PinEntryViewControllerDelegate> delegate;
-@property(nonatomic, copy) NSString* hostName;
-@property(nonatomic) BOOL shouldPrompt;
-@property(nonatomic) BOOL pairingSupported;
-
-- (IBAction)buttonCancelClicked:(id)sender;
-- (IBAction)buttonConnectClicked:(id)sender;
-
-@end
-
-#endif  // REMOTING_IOS_UI_PIN_ENTRY_VIEW_CONTROLLER_H_