[CRD iOS] Send key events to the session.

remoting/ios/app/host_view_controller.mm

Index: remoting/ios/app/host_view_controller.mm
diff --git a/remoting/ios/app/host_view_controller.mm b/remoting/ios/app/host_view_controller.mm
index 40dde774ca62ad2a9a292d9a2bfc90005bb79453..4240992b8f1ac943d6fcd4a9fffedc671e73ef5f 100644
--- a/remoting/ios/app/host_view_controller.mm
+++ b/remoting/ios/app/host_view_controller.mm
@@ -17,11 +17,13 @@
 #import "remoting/ios/client_keyboard.h"
 #import "remoting/ios/session/remoting_client.h"
 
+#include "base/strings/sys_string_conversions.h"
 #include "remoting/client/gesture_interpreter.h"
+#include "remoting/client/input/keyboard_interpreter.h"
 
 static const CGFloat kFabInset = 15.f;
 
-@interface HostViewController () {
+@interface HostViewController ()<ClientKeyboardDelegate> {
   RemotingClient* _client;
   MDCFloatingButton* _floatingButton;
   ClientGestures* _clientGestures;
@@ -132,6 +134,7 @@ static const CGFloat kFabInset = 15.f;
 - (void)showKeyboard {
   if (!_clientKeyboard) {
     _clientKeyboard = [[ClientKeyboard alloc] init];
+    _clientKeyboard.delegate = self;
     [self.view addSubview:_clientKeyboard];
     // TODO(nicholss): need to pass some keyboard injection interface here.
   }
@@ -171,6 +174,17 @@ static const CGFloat kFabInset = 15.f;
   _keyboardSize = CGSizeZero;
 }
 
+#pragma mark - ClientKeyboardDelegate
+
+- (void)clientKeyboardShouldSend:(NSString*)text {
+  _client.keyboardInterpreter->HandleTextEvent(base::SysNSStringToUTF8(text),
+                                               0);
+}
+
+- (void)clientKeyboardShouldDelete {
+  _client.keyboardInterpreter->HandleDeleteEvent(0);
+}
+
 #pragma mark - Private
 
 - (void)didTap:(id)sender {