Fix Desktop.dispatchKeyEvent() to return correct result.

remoting/android/java/src/org/chromium/chromoting/jni/JniInterface.java

 // 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.
 
 package org.chromium.chromoting.jni;
 
 import android.app.Activity;
 import android.app.AlertDialog;
 import android.content.Context;
 import android.content.DialogInterface;
@@ skipping 303 matching lines @@
             return;
         }
 
         nativeSendMouseWheelEvent(deltaX, deltaY);
     }
 
     /** Passes mouse-wheel information to the native handling code. */
     private static native void nativeSendMouseWheelEvent(int deltaX, int deltaY);
 
     /** Presses or releases the specified (nonnegative) key. Called on the UI thread. */
-    public static void sendKeyEvent(int keyCode, boolean keyDown) {
+    public static boolean sendKeyEvent(int keyCode, boolean keyDown) {
         if (!sConnected) {
-            return;
+            return false;
         }
 
-        nativeSendKeyEvent(keyCode, keyDown);
+        return nativeSendKeyEvent(keyCode, keyDown);
     }
 
     /** Passes key press information to the native handling code. */
-    private static native void nativeSendKeyEvent(int keyCode, boolean keyDown);
+    private static native boolean nativeSendKeyEvent(int keyCode, boolean keyDown);
 
     /** Sends TextEvent to the host. Called on the UI thread. */
     public static void sendTextEvent(String text) {
         if (!sConnected) {
             return;
         }
 
         nativeSendTextEvent(text);
     }
 
@@ skipping 96 matching lines @@
     /** Pops up a third party login page to fetch the token required for authentication.*/
     @CalledByNative
     public static void fetchThirdPartyToken(String tokenUrl, String clientId, String scope) {
         // TODO(kelvinp): Create a intent to fetch the token from the browser
         // (Android Third Party Auth - Part III)
     }
 
     /* Notify the native code to continue authentication with the |token| and the |sharedSecret| */
     public static native void nativeOnThirdPartyTokenFetched(String token, String sharedSecret);
 }