Print Preview: Fixing code style issues reported by gsjlint.

chrome/browser/resources/print_preview/layout_settings.js

 // Copyright (c) 2011 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.
 
 cr.define('print_preview', function() {
   'use strict';
 
   /**
    * Creates a LayoutSettings object. This object encapsulates all settings and
    * logic related to layout mode (portrait/landscape).
@@ skipping 32 matching lines @@
      *     if not.
      */
     isLandscape: function() {
       return this.landscapeRadioButton_.checked;
     },
 
     /**
      * @return {boolean} true if the chosen layout mode has changed since last
      *     time the state was updated.
      */
-    hasChanged_ : function() {
-      return this.isLandscape() !=  this.wasLandscape_;
+    hasChanged_: function() {
+      return this.isLandscape() != this.wasLandscape_;
     },
 
     /**
      * Saves the currently selected layout mode. Used  in |this.hasChanged_|.
      */
-    updateState : function() {
+    updateState: function() {
       this.wasLandscape_ = this.isLandscape();
     },
 
     /**
      * Adding listeners to all layout related controls. The listeners take care
      * of altering their behavior depending on |hasPendingPreviewRequest|.
      * @private
      */
     addEventListeners_: function() {
       this.landscapeRadioButton_.onclick = this.onLayoutButtonClick_.bind(this);
@@ skipping 40 matching lines @@
     fadeInOut_: function(fadeOut) {
       fadeOut ? fadeOutOption(this.layoutOption_) :
           fadeInOption(this.layoutOption_);
     }
   };
 
   return {
     LayoutSettings: LayoutSettings,
   };
 });