Adding hooks to add the keyboard on screen and be able to dismiss it.

remoting/ios/client_gestures.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_IOS_CLIENT_GESTURES_H_
 #define REMOTING_IOS_CLIENT_GESTURES_H_
 
 #import <Foundation/Foundation.h>
 #import <UIKit/UIKit.h>
-#include "base/logging.h"
-#import "remoting/ios/key_input.h"
 
 @class RemotingClient;
 
 typedef NS_ENUM(NSInteger, HostInputScheme) {
   // Mouse cursor is shown
   // Dragging or Panning, moves the mouse cursor
   // Tapping causes mouse input at the cursor location
   HostInputSchemeTrackpad = 0,  // Default
   // Mouse cursor is not shown
   // Dragging or Panning is similar to a map
   // Tapping causes mouse input at the tap location
   HostInputSchemeTouch = 1
 };
 
 typedef NS_ENUM(NSInteger, MouseButton) {
-
   NO_BUTTON = 0,
   LEFT_BUTTON = 1,
   MIDDLE_BUTTON = 2,
   RIGHT_BUTTON = 3,
-
 };
 
 @interface ClientGestures : NSObject<UIGestureRecognizerDelegate> {
  @private
   UILongPressGestureRecognizer* _longPressRecognizer;
   UIPanGestureRecognizer* _panRecognizer;
   UIPanGestureRecognizer* _threeFingerPanRecognizer;
   UIPinchGestureRecognizer* _pinchRecognizer;
   UITapGestureRecognizer* _singleTapRecognizer;
   UITapGestureRecognizer* _twoFingerTapRecognizer;
@@ skipping 20 matching lines @@
 // Right mouse click
 - (IBAction)twoFingerTapGestureTriggered:(UITapGestureRecognizer*)sender;
 // Middle mouse click
 - (IBAction)threeFingerTapGestureTriggered:(UITapGestureRecognizer*)sender;
 // Show hidden menus.  Swipe up for keyboard, swipe down for navigation menu
 - (IBAction)threeFingerPanGestureTriggered:(UIPanGestureRecognizer*)sender;
 
 @end
 
 #endif  //  REMOTING_IOS_CLIENT_GESTURES_H_