fix launch button missing on apptool.

chrome/browser/resources/apps_debugger/js/items_list.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('apps_dev_tool', function() {
   'use strict';
 
   // The list of all apps & extensions.
   var completeList = [];
 
@@ skipping 154 matching lines @@
       }
 
       // The 'Permissions' link.
       this.setPermissionsLink_(item, node);
 
       // The 'View in Web Store/View Web Site' link.
       if (item.homepage_url)
         this.setWebstoreLink_(item, node);
 
       // The 'Reload' checkbox.
-      if (item.allow_reload) {
+      if (item.allow_reload)
         this.setReloadLink_(item, node);
 
-        if (item.type == 'packaged_app') {
-          // The 'Launch' link.
-          var launch = node.querySelector('.launch-link');
-          launch.addEventListener('click', function(e) {
-            ItemsList.launchApp(item.id);
+      if (item.type == 'packaged_app') {
+        // The 'Launch' link.
+        var launch = node.querySelector('.launch-link');
+        launch.addEventListener('click', function(e) {
+          ItemsList.launchApp(item.id);
+        });
+        launch.hidden = false;
+
+        // The 'Restart' link.
+        var restart = node.querySelector('.restart-link');
+        restart.addEventListener('click', function(e) {
+          chrome.developerPrivate.restart(item.id, function() {
+            ItemsList.loadItemsInfo();
           });
-          launch.hidden = false;
-
-          // The 'Restart' link.
-          var restart = node.querySelector('.restart-link');
-          restart.addEventListener('click', function(e) {
-            chrome.developerPrivate.restart(item.id, function() {
-              ItemsList.loadItemsInfo();
-            });
-          });
-          restart.hidden = false;
-        }
+        });
+        restart.hidden = false;
       }
 
       // The terminated reload link.
       if (!item.terminated)
         this.setEnabledCheckbox_(item, node);
       else
         this.setTerminatedReloadLink_(node, item);
 
       // Set remove button handler.
       this.setRemoveButton_(item, node);
@@ skipping 217 matching lines @@
   ItemsList.launchApp = function(id) {
     chrome.management.launchApp(id, function() {
       ItemsList.loadItemsInfo();
     });
   };
 
   return {
     ItemsList: ItemsList,
   };
 });