Gallery: Update edit-mode-applicavilities even if it's a instant auto fix, and update them on undo/…

ui/file_manager/gallery/js/slide_mode.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.
 
 /**
  * Slide mode displays a single image and has a set of controls to navigate
  * between the images and to edit an image.
  *
  * @param {!HTMLElement} container Main container element.
  * @param {!HTMLElement} content Content container element.
@@ skipping 1625 matching lines @@
     // Show overwrite original bubble if it hasn't been shown for max times.
     this.getOverwriteBubbleCount_().then(function(count) {
       if (count >= SlideMode.OVERWRITE_BUBBLE_MAX_TIMES)
         return;
 
       this.setOverwriteBubbleCount_(count + 1);
       this.bubble_.hidden = false;
     }.bind(this));
 
     this.setSubMode_(Gallery.SubMode.EDIT);
+    this.editor_.onStartEditing();
   } else {
     this.editor_.getPrompt().hide();
     this.editor_.leaveMode(false /* not to switch mode */);
 
     this.viewport_.setScreenTop(0);
     this.viewport_.setScreenBottom(0);
     this.imageView_.applyViewportChange();
 
     this.bubble_.hidden = true;
 
@@ skipping 462 matching lines @@
 /**
  * Handles mouse up events.
  * @param {!Event} event Wheel event.
  * @private
  */
 TouchHandler.prototype.onMouseUp_ = function(event) {
   if (event.button !== 0)
     return;
   this.clickStarted_ = false;
 };