Move overwrite original checkbox and saved label to bottom toolbar.

ui/file_manager/gallery/js/gallery.js

 // 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.
 
 /**
  * Overrided metadata worker's path.
  * @type {string}
  */
 ContentMetadataProvider.WORKER_SCRIPT = '/js/metadata_worker.js';
 
@@ skipping 119 matching lines @@
   this.filenameEdit_.setAttribute('type', 'text');
   this.filenameEdit_.addEventListener('blur',
       this.onFilenameEditBlur_.bind(this));
 
   this.filenameEdit_.addEventListener('focus',
       this.onFilenameFocus_.bind(this));
 
   this.filenameEdit_.addEventListener('keydown',
       this.onFilenameEditKeydown_.bind(this));
 
-  var middleSpacer = queryRequiredElement(this.bottomToolbar_,
-      '.middle-spacer');
   var buttonSpacer = queryRequiredElement(this.topToolbar_, '.button-spacer');
 
   this.prompt_ = new ImageEditor.Prompt(this.container_, strf);
 
   this.errorBanner_ = new ErrorBanner(this.container_);
 
   this.modeButton_ = queryRequiredElement(this.topToolbar_, 'button.mode');
   this.modeButton_.addEventListener('click',
       this.toggleMode_.bind(this, undefined));
 
@@ skipping 814 matching lines @@
 initializePromise.then(reload);
 
 /**
  * Enteres the debug mode.
  */
 window.debugMe = function() {
   initializePromise.then(function() {
     gallery.debugMe();
   });
 };