Fix Desktop.dispatchKeyEvent() to return correct result.

remoting/client/jni/chromoting_jni_instance.h

Index: remoting/client/jni/chromoting_jni_instance.h
diff --git a/remoting/client/jni/chromoting_jni_instance.h b/remoting/client/jni/chromoting_jni_instance.h
index 8fb60232df5912f52e2dfe50876e39ab3ae11248..91919b27e5bc5e3d365db31c87466b4b251ce92c 100644
--- a/remoting/client/jni/chromoting_jni_instance.h
+++ b/remoting/client/jni/chromoting_jni_instance.h
@@ -87,7 +87,7 @@ class ChromotingJniInstance
   void SendMouseWheelEvent(int delta_x, int delta_y);
 
   // Sends the provided keyboard scan code to the host.
-  void SendKeyEvent(int key_code, bool key_down);
+  bool SendKeyEvent(int key_code, bool key_down);
 
   void SendTextEvent(const std::string& text);
 
@@ -136,6 +136,8 @@ class ChromotingJniInstance
   // Sets the device name. Can be called on any thread.
   void SetDeviceName(const std::string& device_name);
 
+  void SendKeyEventInternal(int usb_key_code, bool key_down);
+
   // Enables or disables periodic logging of performance statistics. Called on
   // the network thread.
   void EnableStatsLogging(bool enabled);