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

chrome/browser/chromeos/file_system_provider/throttled_file_system.cc

 // Copyright 2015 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.
 
 #include "chrome/browser/chromeos/file_system_provider/throttled_file_system.h"
 
 #include <limits>
 #include <vector>
 
 #include "base/files/file.h"
@@ skipping 165 matching lines @@
     const base::FilePath& entry_path,
     bool recursive,
     storage::WatcherManager::ChangeType change_type,
     scoped_ptr<ProvidedFileSystemObserver::Changes> changes,
     const std::string& tag,
     const storage::AsyncFileUtil::StatusCallback& callback) {
   return file_system_->Notify(entry_path, recursive, change_type,
                               changes.Pass(), tag, callback);
 }
 
+void ThrottledFileSystem::Configure(
+    const storage::AsyncFileUtil::StatusCallback& callback) {
+  return file_system_->Configure(callback);
+}
+
 base::WeakPtr<ProvidedFileSystemInterface> ThrottledFileSystem::GetWeakPtr() {
   return weak_ptr_factory_.GetWeakPtr();
 }
 
 void ThrottledFileSystem::Abort(int queue_token) {
   open_queue_->Abort(queue_token);
 }
 
 void ThrottledFileSystem::OnOpenFileCompleted(int queue_token,
                                               const OpenFileCallback& callback,
@@ skipping 21 matching lines @@
 
   const int queue_token = it->second;
   open_queue_->Complete(queue_token);
   opened_files_.erase(file_handle);
 
   callback.Run(result);
 }
 
 }  // namespace file_system_provider
 }  // namespace chromeos