Adding user data to the notification options.

chrome/common/extensions/api/experimental_notification.idl

Index: chrome/common/extensions/api/experimental_notification.idl
diff --git a/chrome/common/extensions/api/experimental_notification.idl b/chrome/common/extensions/api/experimental_notification.idl
index 4ef290f096d76b87cc2c13d308f5f147f90d4f9f..7cc6ec2c1b6d27625ce40b67ae600c652e8e27ed 100644
--- a/chrome/common/extensions/api/experimental_notification.idl
+++ b/chrome/common/extensions/api/experimental_notification.idl
@@ -65,6 +65,10 @@
 
     // Items for multi-item notifications.
     NotificationItem[]? items;
+
+    // Object specifying user data for the notification. Values that cannot be
+    // serialized (functions, etc) will be ignored.
+    object? userData;
   };
 
   callback CreateCallback = void (DOMString notificationId);
@@ -73,6 +77,14 @@
 
   callback ClearCallback = void (boolean wasCleared);
 
+  // |useData| is NotificationOptions.userData that was passed to create/update
+  // call, if was specified, null otherwise.
+  callback GetCallback = void (object userData);
+
+  // |notifications| is a map from all notifications IDs of all notifications
+  // to their userData objects, if were specified, otherwise, nulls.
+  callback GetAllCallback = void (object notifications);
+
   interface Functions {
     // Creates and displays a notification having the contents in |options|,
     // identified by the id |notificationId|. If |notificationId| is empty,
@@ -95,6 +107,14 @@
     // corresponding notification. |callback| indicates whether a matching
     // notification existed.
     static void clear(DOMString notificationId, ClearCallback callback);
+
+    static void clearAll();
+
+    static void get(DOMString notificationId, GetCallback callback);
+
+    // Returns to |callback| ids and user data of all locally created
+    // notifications.
+    static void getAll(GetAllCallback callback);
   };
 
   interface Events {
@@ -104,13 +124,18 @@
     static void onDisplayed(DOMString notificationId);
 
     // The notification closed, either by the system or by user action.
-    static void onClosed(DOMString notificationId, boolean byUser);
+    static void onClosed(DOMString notificationId,
+                         boolean byUser,
+                         object userData);
 
     // The user clicked in a non-button area of the notification.
-    static void onClicked(DOMString notificationId);
+    static void onClicked(DOMString notificationId,
+                          object userData);
 
     // The user pressed a button in the notification.
-    static void onButtonClicked(DOMString notificationId, long buttonIndex);
+    static void onButtonClicked(DOMString notificationId,
+                                long buttonIndex,
+                                object userData);
   };
 
 };