[CRD iOS] Send key events to the session.

remoting/client/chromoting_session.h

 // Copyright 2013 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_CHROMOTING_SESSION_H_
 #define REMOTING_CLIENT_CHROMOTING_SESSION_H_
 
 #include <memory>
 #include <string>
 
@@ skipping 97 matching lines @@
 
   // Moves the host's cursor to the specified coordinates, optionally with some
   // mouse button depressed. If |button| is BUTTON_UNDEFINED, no click is made.
   void SendMouseEvent(int x,
                       int y,
                       protocol::MouseEvent_MouseButton button,
                       bool button_down);
   void SendMouseWheelEvent(int delta_x, int delta_y);
 
   // Sends the provided keyboard scan code to the host.
+  // TODO(nicholss): sending scan code here is really weird.
+  // Can we fix this up so scan_code != 0 is it's own api endpoint?
   bool SendKeyEvent(int scan_code, int key_code, bool key_down);
 
+  // Send utf8 encoded text to the host.
   void SendTextEvent(const std::string& text);
 
   // Sends the provided touch event payload to the host.
   void SendTouchEvent(const protocol::TouchEvent& touch_event);
 
   // Enables or disables the video channel. May be called from any thread.
   void EnableVideoChannel(bool enable);
 
   void SendClientMessage(const std::string& type, const std::string& data);
 
@@ skipping 86 matching lines @@
 
   base::WeakPtr<ChromotingSession> weak_ptr_;
   base::WeakPtrFactory<ChromotingSession> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromotingSession);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_CLIENT_CHROMOTING_SESSION_H_