[linux] Put action button on the right in chrome://settings dialogs.

chrome/browser/resources/options/options_page.js

 // Copyright (c) 2012 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('options', function() {
   /** @const */ var FocusOutlineManager = cr.ui.FocusOutlineManager;
 
   /////////////////////////////////////////////////////////////////////////////
   // OptionsPage class:
 
@@ skipping 518 matching lines @@
         overlay.associatedSection =
             this.findSectionForNode_(associatedControls[0]);
       }
 
       // Sanity check.
       for (var i = 0; i < associatedControls.length; ++i) {
         assert(associatedControls[i], 'Invalid element passed.');
       }
     }
 
-    // Reverse the button strip for views. See the documentation of
+    // Reverse the button strip for Windows and CrOS. See the documentation of
     // reverseButtonStripIfNecessary_() for an explanation of why this is done.
-    if (cr.isViews)
+    if (cr.isWindows || cr.isChromeOS)
       this.reverseButtonStripIfNecessary_(overlay);
 
     overlay.tab = undefined;
     overlay.isOverlay = true;
     overlay.initializePage();
   };
 
   /**
    * Reverses the child elements of a button strip if it hasn't already been
    * reversed. This is necessary because WebKit does not alter the tab order for
@@ skipping 463 matching lines @@
     canShowPage: function() {
       return true;
     },
   };
 
   // Export
   return {
     OptionsPage: OptionsPage
   };
 });