Files.app: Provide detailed change information on onDirectoryChanged event

chrome/browser/chromeos/drive/directory_loader.cc

 // Copyright 2014 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/drive/directory_loader.h"
 
 #include "base/callback.h"
 #include "base/callback_helpers.h"
 #include "base/metrics/histogram.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 549 matching lines @@
     const DirectoryFetchInfo& directory_fetch_info,
     const base::FilePath* directory_path,
     FileError error) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   DVLOG(1) << "Directory loaded: " << directory_fetch_info.ToString();
   OnDirectoryLoadComplete(directory_fetch_info.local_id(), error);
 
   // Also notify the observers.
   if (error == FILE_ERROR_OK && !directory_path->empty()) {
-    FOR_EACH_OBSERVER(ChangeListLoaderObserver, observers_,
-                      OnDirectoryChanged(*directory_path));
+    FOR_EACH_OBSERVER(ChangeListLoaderObserver,
+                      observers_,
+                      OnDirectoryReloaded(*directory_path));
   }
 }
 
 }  // namespace internal
 }  // namespace drive