Chromoting Android: Fix getActionBar() NullPointerException

remoting/android/java/src/org/chromium/chromoting/Desktop.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;
 
 import android.annotation.SuppressLint;
 import android.content.res.Configuration;
 import android.os.Build;
 import android.os.Bundle;
@@ skipping 124 matching lines @@
     private int getSystemUiFlags() {
         int flags = View.SYSTEM_UI_FLAG_LOW_PROFILE;
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
             flags |= View.SYSTEM_UI_FLAG_FULLSCREEN;
         }
         return flags;
     }
 
     public void showActionBar() {
         mOverlayButton.setVisibility(View.INVISIBLE);
-        getActionBar().show();
+        getSupportActionBar().show();
 
         View decorView = getWindow().getDecorView();
         decorView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_VISIBLE);
     }
 
     @SuppressLint("InlinedApi")
     public void hideActionBar() {
         mOverlayButton.setVisibility(View.VISIBLE);
-        getActionBar().hide();
+        getSupportActionBar().hide();
 
         View decorView = getWindow().getDecorView();
 
         // LOW_PROFILE gives the status and navigation bars a "lights-out" appearance.
         // FULLSCREEN hides the status bar on supported devices (4.1 and above).
         int flags = getSystemUiFlags();
 
         // HIDE_NAVIGATION hides the navigation bar. However, if the user touches the screen, the
         // event is not seen by the application and instead the navigation bar is re-shown.
         // IMMERSIVE(_STICKY) fixes this problem and allows the user to interact with the app while
@@ skipping 119 matching lines @@
                 JniInterface.sendKeyEvent(KeyEvent.KEYCODE_SHIFT_LEFT, pressed);
                 JniInterface.sendKeyEvent(KeyEvent.KEYCODE_EQUALS, pressed);
                 return true;
 
             default:
                 // We try to send all other key codes to the host directly.
                 return JniInterface.sendKeyEvent(keyCode, pressed);
         }
     }
 }