Fix Java Checkstyle issues.

remoting/android/cast/src/org/chromium/chromoting/CastExtensionHandler.java

 // Copyright 2014 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.app.Activity;
 import android.content.Context;
 import android.os.Bundle;
 import android.support.v4.view.MenuItemCompat;
@@ skipping 282 matching lines @@
     public void onActivityPaused(Activity activity) {
         removeMediaRouterCallback();
     }
 
     @Override
     public void onActivityResumed(Activity activity) {
         addMediaRouterCallback();
     }
 
     @Override
-    public void onActivitySaveInstanceState (Activity activity, Bundle outState) {}
+    public void onActivitySaveInstanceState(Activity activity, Bundle outState) {}
 
     @Override
     public void onActivityStarted(Activity activity) {
         addMediaRouterCallback();
     }
 
     @Override
     public void onActivityStopped(Activity activity) {
         removeMediaRouterCallback();
     }
@@ skipping 154 matching lines @@
 
     /**
      * Makes a toast using the given message and duration.
      */
     private void showToast(int messageId, int duration) {
         if (mContext != null) {
             Toast.makeText(mContext, mContext.getString(messageId), duration).show();
         }
     }
 }