Gallery: Make the minimum window size larger.

ui/file_manager/gallery/js/background.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.
 
 'use strict';
 
 /**
  * @param {Object.<string, string>} stringData String data.
  * @param {VolumeManager} volumeManager Volume manager.
  */
@@ skipping 113 matching lines @@
   });
 
   // Create a new window.
   appWindowPromise = appWindowPromise.then(function() {
     return new Promise(function(fulfill) {
       chrome.app.window.create(
           'gallery.html',
           {
             id: 'gallery',
             innerBounds: {
-              minWidth: 800,
+              minWidth: 820,
               minHeight: 300
             },
             frame: 'none'
           },
           function(appWindow) {
             appWindow.contentWindow.addEventListener(
                 'load', fulfill.bind(null, appWindow));
             closingPromise = new Promise(function(fulfill) {
               appWindow.onClosed.addListener(fulfill);
             });
@@ skipping 61 matching lines @@
   chrome.runtime.onMessageExternal.addListener(function(message) {
     if (message.name !== 'testResourceLoaded')
       return;
     var script = document.createElement('script');
     script.src =
         'chrome-extension://ejhcmmdhhpdhhgmifplfmjobgegbibkn' +
         '/gallery/test_loader.js';
     document.documentElement.appendChild(script);
   });
 }