Remove support for Windows-style keycodes.

remoting/protocol/client_event_dispatcher.cc

 // Copyright (c) 2012 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.
 
 #include "remoting/protocol/client_event_dispatcher.h"
 
 #include "base/message_loop_proxy.h"
 #include "base/time.h"
 #include "net/socket/stream_socket.h"
 #include "remoting/base/constants.h"
@@ skipping 12 matching lines @@
   writer_.Close();
 }
 
 void ClientEventDispatcher::OnInitialized() {
   // TODO(garykac): Set write failed callback.
   writer_.Init(channel(),
                 BufferedSocketWriter::WriteFailedCallback());
 }
 
 void ClientEventDispatcher::InjectKeyEvent(const KeyEvent& event) {
-  DCHECK(event.has_keycode() || event.has_usb_keycode());
+  DCHECK(event.has_usb_keycode());
   DCHECK(event.has_pressed());
   EventMessage message;
   message.set_sequence_number(base::Time::Now().ToInternalValue());
   message.mutable_key_event()->CopyFrom(event);
   writer_.Write(SerializeAndFrameMessage(message), base::Closure());
 }
 
 void ClientEventDispatcher::InjectMouseEvent(const MouseEvent& event) {
   EventMessage message;
   message.set_sequence_number(base::Time::Now().ToInternalValue());
   message.mutable_mouse_event()->CopyFrom(event);
   writer_.Write(SerializeAndFrameMessage(message), base::Closure());
 }
 
 }  // namespace protocol
 }  // namespace remoting