[CRD iOS] Send key events to the session.

remoting/ios/client_keyboard.mm

 // 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.
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
 #import "remoting/ios/client_keyboard.h"
 
 // TODO(nicholss): Look into inputAccessoryView to get the top bar for sending
 // special keys.
 // TODO(nicholss): Look into inputView - The custom input view to display when
 // the receiver becomes the first responder
 
 @implementation ClientKeyboard
 
 @synthesize autocapitalizationType = _autocapitalizationType;
 @synthesize autocorrectionType = _autocorrectionType;
 @synthesize keyboardAppearance = _keyboardAppearance;
 @synthesize keyboardType = _keyboardType;
 @synthesize spellCheckingType = _spellCheckingType;
 
+@synthesize delegate = _delegate;
+
+// TODO(nicholss): For physical keyboard, look at UIKeyCommand
+// https://developer.apple.com/reference/uikit/uikeycommand?language=objc
+
 - (instancetype)init {
   self = [super init];
   if (self) {
     _autocapitalizationType = UITextAutocapitalizationTypeNone;
     _autocorrectionType = UITextAutocorrectionTypeNo;
     _autocorrectionType = UITextAutocorrectionTypeNo;
-    _keyboardType = UIKeyboardTypeASCIICapable;
+    _keyboardType = UIKeyboardTypeDefault;
     _spellCheckingType = UITextSpellCheckingTypeNo;
   }
   return self;
 }
 
 #pragma mark - UIKeyInput
 
 - (void)insertText:(NSString*)text {
-  NSLog(@"insertText: %@", text);
+  [_delegate clientKeyboardShouldSend:text];
 }
 
 - (void)deleteBackward {
-  NSLog(@"deleteBackward");
+  [_delegate clientKeyboardShouldDelete];
 }
 
 - (BOOL)hasText {
-  return NO;  // not sure if this enables the back button.
+  return NO;
 }
 
 #pragma mark - UIResponder
 
 - (BOOL)canBecomeFirstResponder {
   return YES;
 }
 
 - (UIView*)inputAccessoryView {
   return nil;
 }
 
 #pragma mark - UITextInputTraits
 
 @end