Add autotestPrivate.getVisibleNotifications API

chrome/common/extensions/api/autotest_private.idl

Index: chrome/common/extensions/api/autotest_private.idl
diff --git a/chrome/common/extensions/api/autotest_private.idl b/chrome/common/extensions/api/autotest_private.idl
index 65f89b269533050d27014c86319f30263842ff98..f3e2682fd21af1c38e3c44e0e28838a6fbd77f71 100644
--- a/chrome/common/extensions/api/autotest_private.idl
+++ b/chrome/common/extensions/api/autotest_private.idl
@@ -53,6 +53,19 @@ namespace autotestPrivate {
   };
   callback ExtensionsInfoCallback = void (ExtensionsInfoArray info);
 
+  dictionary Notification {

[victorhsieh0, 2016/04/08 19:11:12]

yoshiki@, I tentatively added these fields, but if you think there are others
that we should test with, or if we should remove any of the followings, please
let me know.

[yoshiki, 2016/04/11 04:49:46]

I think we can test a state of progress bar as well.

[victorhsieh0, 2016/04/11 18:28:26]

Done.

+    DOMString id;
+    DOMString type;
+    DOMString title;
+    DOMString message;
+    long priority;
+  };
+  dictionary NotificationArray {
+    Notification[] notifications;
+  };
+  callback NotificationArrayCallback =

[yoshiki, 2016/04/11 04:41:47]

nit: no need for new line.

[victorhsieh0, 2016/04/11 18:28:26]

Done.

+      void (NotificationArray notifications);
+
   interface Functions {
     // Logout of a user session.
     static void logout();
@@ -103,5 +116,8 @@ namespace autotestPrivate {
     // Swap the primary mouse button for left click.
     // |right|: if set, swap the primary mouse button.
     static void setPrimaryButtonRight(boolean right);
+
+    // Get visible notifications on the system.
+    static void getVisibleNotifications(NotificationArrayCallback callback);
   };
 };