Add events for configuring and adding new providers to FSP API.

chrome/common/extensions/api/file_system_provider.idl

 // Copyright 2013 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.
 
 // Use the <code>chrome.fileSystemProvider</code> API to create file systems,
 // that can be accessible from the file manager on Chrome OS.
 [implemented_in="chrome/browser/chromeos/extensions/file_system_provider/file_system_provider_api.h"]
 namespace fileSystemProvider {
   // Error codes used by providing extensions in response to requests as well
   // as in case of errors when calling methods of the API. For success, <code>
@@ skipping 26 matching lines @@
 
   // Type of a change detected on the observed directory.
   enum ChangeType {
     CHANGED,
     DELETED
   };
 
   // Source of the file system data.
   enum FileSystemSource {
     // The file system is handling a file, eg. an archive file obtained via the
-    // <code>OnLaunched</code> event and the <code>file_handlers</code> manifest
+    // <code>onLaunched</code> event and the <code>file_handlers</code> manifest
     // entry.
     FILE,
 
     // The file system contents are fetched from an external device, such as a
     // USB device, but not via <code>file_handlers</code>.
     DEVICE,
 
     // The file system is network based. The contents are obtained from another
     // server or local network. Eg. cloud services.
     NETWORK
@@ skipping 582 matching lines @@
     // must be immediately stopped and <code>successCallback</code> of this
     // abort request executed. If aborting fails, then <code>errorCallback
     // </code> must be called. Note, that callbacks of the aborted operation
     // must not be called, as they will be ignored. Despite calling <code>
     // errorCallback</code>, the request may be forcibly aborted. 
     [maxListeners=1] static void onAbortRequested(
         AbortRequestedOptions options,
         ProviderSuccessCallback successCallback,
         ProviderErrorCallback errorCallback);
 
+    // Raised when showing a configuration dialog for <code>fileSystemId</code>
+    // is requested. If it's not supported, then this event must not be handled.
+    [maxListeners=1] static void onConfigureDialogRequested(
+        ConfigureRequestedOptions options,

[benwells, 2015/04/15 01:13:42]

Where is ConfigureRequestedOptions defined?

[mtomasz, 2015/04/15 03:34:27]

Sorry, I uploaded an incorrect patch. Done.

+        ProviderSuccessCallback successCallback,
+        ProviderErrorCallback errorCallback);
+
+    // Raised when showing a dialog for mounting a new file system is requested.
+    // If the extension/app is a file handler, then this event shouldn't be
+    // handled. Instead <code>onLaunched</code> should be handled in order to
+    // mount new file systems without showing an unnecessary UI.
+    [maxListeners=1] static void onAddDialogRequested(
+        ConfigureRequestedOptions options,
+        ProviderSuccessCallback successCallback,
+        ProviderErrorCallback errorCallback);
+
     // Raised when setting a new directory watcher is requested. If an error
     // occurs, then <code>errorCallback</code> must be called.
     [maxListeners=1, nodoc] static void onAddWatcherRequested(
       AddWatcherRequestedOptions options,
       ProviderSuccessCallback successCallback,
       ProviderErrorCallback errorCallback);
 
     // Raised when the watcher should be removed. If an error occurs, then
     // <code>errorCallback</code> must be called.
     [maxListeners=1, nodoc] static void onRemoveWatcherRequested(
       RemoveWatcherRequestedOptions options,
       ProviderSuccessCallback successCallback,
       ProviderErrorCallback errorCallback);
   };
 };