Gallery.app: make edit button toggleable.

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 84 matching lines @@
   this.filenameEdit_.addEventListener('keydown',
       this.onFilenameEditKeydown_.bind(this));
 
   var buttonSpacer = queryRequiredElement(this.topToolbar_, '.button-spacer');
 
   this.prompt_ = new ImageEditor.Prompt(this.container_, strf);
 
   this.errorBanner_ = new ErrorBanner(this.container_);
 
   var slideModeButton = queryRequiredElement(
-      this.topToolbar_, '.button.slide-mode');
+      this.topToolbar_, 'paper-button.slide-mode');
   slideModeButton.addEventListener(
       'click', this.onSlideModeButtonClicked_.bind(this));
 
   var thumbnailModeButton = queryRequiredElement(
-      this.topToolbar_, '.button.thumbnail-mode');
+      this.topToolbar_, 'paper-button.thumbnail-mode');
   thumbnailModeButton.addEventListener(
       'click', this.onThumbnailModeButtonClicked_.bind(this));
 
   this.thumbnailMode_ = new ThumbnailMode(
       assertInstanceof(document.querySelector('.thumbnail-view'), HTMLElement),
       this.dataModel_,
       this.selectionModel_,
       this.changeCurrentMode_.bind(this, this.slideMode_));
   this.thumbnailMode_.hide();
 
   this.slideMode_ = new SlideMode(this.container_,
                                   content,
                                   this.topToolbar_,
                                   this.bottomToolbar_,
                                   this.prompt_,
                                   this.errorBanner_,
                                   this.dataModel_,
                                   this.selectionModel_,
                                   this.metadataModel_,
                                   this.thumbnailModel_,
                                   this.context_,
                                   this.volumeManager_,
                                   this.toggleMode_.bind(this),
                                   str);
 
   this.slideMode_.addEventListener('image-displayed', function() {
     cr.dispatchSimpleEvent(this, 'image-displayed');
   }.bind(this));
 
-  this.deleteButton_ = queryRequiredElement(this.topToolbar_, '.button.delete');
+  this.deleteButton_ = queryRequiredElement(
+      this.topToolbar_, 'paper-button.delete');
   this.deleteButton_.addEventListener('click', this.delete_.bind(this));
 
-  this.shareButton_ = queryRequiredElement(this.topToolbar_, '.button.share');
+  this.shareButton_ = queryRequiredElement(
+      this.topToolbar_, 'paper-button.share');
   this.shareButton_.addEventListener(
       'click', this.onShareButtonClick_.bind(this));
 
   this.dataModel_.addEventListener('splice', this.onSplice_.bind(this));
   this.dataModel_.addEventListener('content', this.onContentChange_.bind(this));
 
   this.selectionModel_.addEventListener('change', this.onSelection_.bind(this));
   this.slideMode_.addEventListener('useraction', this.onUserAction_.bind(this));
 
   this.shareDialog_ = new ShareDialog(this.container_);
@@ skipping 732 matching lines @@
  */
 var initializePromise =
     Promise.all([loadTimeDataPromise, volumeManagerPromise]).
     then(function(args) {
       var volumeManager = args[1];
       gallery = new Gallery(volumeManager);
     });
 
 // Loads entries.
 initializePromise.then(reload);