Context menus for text fields in platform apps should show available actions (copy, paste, etc).

chrome/test/data/extensions/platform_apps/context_menu/test.js

Index: chrome/test/data/extensions/platform_apps/context_menu/test.js
diff --git a/chrome/test/data/extensions/platform_apps/context_menu/test.js b/chrome/test/data/extensions/platform_apps/context_menu/test.js
index 3deca7854836b5506532fde74bc9d8d737d6b1bf..a216ab0ed79575690407a6084bfe8869ad5b3384 100644
--- a/chrome/test/data/extensions/platform_apps/context_menu/test.js
+++ b/chrome/test/data/extensions/platform_apps/context_menu/test.js
@@ -3,9 +3,9 @@
 // found in the LICENSE file.
 
 chrome.app.runtime.onLaunched.addListener(function() {
-  chrome.contextMenus.create({title: 'Extension Item 1',
+  chrome.contextMenus.create({title: 'Extension Item 1', contexts: ['all'],
                              id: 'id1'}, function() {
-    chrome.contextMenus.create({title: 'Extension Item 2',
+    chrome.contextMenus.create({title: 'Extension Item 2', contexts: ['all'],
                                id: 'id2'}, function() {
       chrome.app.window.create('main.html', {}, function() {});
     });