Add a browser test for functions in notification provider API

chrome/test/data/extensions/api_test/notification_provider/basic_usage/manifest.json

Index: chrome/test/data/extensions/api_test/notification_provider/basic_usage/manifest.json
diff --git a/chrome/test/data/extensions/api_test/notification_provider/events/manifest.json b/chrome/test/data/extensions/api_test/notification_provider/basic_usage/manifest.json
similarity index 59%
copy from chrome/test/data/extensions/api_test/notification_provider/events/manifest.json
copy to chrome/test/data/extensions/api_test/notification_provider/basic_usage/manifest.json
index 7c058e336aade724a391ddcc130da659264571d2..7fbb02299e917c9a45934969a8c80aa6ade42c98 100644
--- a/chrome/test/data/extensions/api_test/notification_provider/events/manifest.json
+++ b/chrome/test/data/extensions/api_test/notification_provider/basic_usage/manifest.json
@@ -1,10 +1,10 @@
 {
   "name": "chrome.notificationProvider",
   "version": "0.1",
-  "description": "Tests chrome.notificationProvider API events",
+  "description": "Tests chrome.notificationProvider API functions",
   "app": {
     "background": {
-      "scripts": ["test.js"]
+      "scripts": ["background.js"]

[Pete Williamson, 2014/08/04 20:30:46]

Are there any tests in test.js that are now no longer run?  (Or was it empty to
start with?)

[liyanhou, 2014/08/04 23:24:16]

Somehow, this diff turned out to be between events/manifest.json and
basic_usage/manifest.json. But basic_usage is a new directory. So, yes, test.js
has tests. But it will run when another browser test runs, and is not relevant
to this test.

     }
   },
   "permissions": [