Use scan codes when sending keyboard events froms physical keyboard.

remoting/client/jni/chromoting_jni_instance.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_JNI_INSTANCE_H_
 #define REMOTING_CLIENT_CHROMOTING_JNI_INSTANCE_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 65 matching lines @@
   void RedrawDesktop();
 
   // 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.
-  bool SendKeyEvent(int key_code, bool key_down);
+  bool SendKeyEvent(int scan_code, int key_code, bool key_down);
 
   void SendTextEvent(const std::string& text);
 
   // 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);
 
   // Records paint time for statistics logging, if enabled. May be called from
   // any thread.
@@ skipping 87 matching lines @@
   friend class base::RefCountedThreadSafe<ChromotingJniInstance>;
 
   base::WeakPtrFactory<ChromotingJniInstance> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromotingJniInstance);
 };
 
 }  // namespace remoting
 
 #endif