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

chrome/common/extensions/api/file_system_provider.idl

Index: chrome/common/extensions/api/file_system_provider.idl
diff --git a/chrome/common/extensions/api/file_system_provider.idl b/chrome/common/extensions/api/file_system_provider.idl
index 0b589617243fe5d7862ad3ceaa4d8b06f691329d..353c891485b6990814d83fd3a3864f5f4ab9e170 100644
--- a/chrome/common/extensions/api/file_system_provider.idl
+++ b/chrome/common/extensions/api/file_system_provider.idl
@@ -44,7 +44,7 @@ namespace fileSystemProvider {
   // 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,
 
@@ -647,6 +647,22 @@ namespace fileSystemProvider {
         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(