Files.app: Provide detailed change information on onDirectoryChanged event

chrome/browser/chromeos/drive/file_system/create_file_operation.cc

 // 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.
 
 #include "chrome/browser/chromeos/drive/file_system/create_file_operation.h"
 
 #include <string>
 
 #include "base/file_util.h"
 #include "chrome/browser/chromeos/drive/drive.pb.h"
+#include "chrome/browser/chromeos/drive/file_change.h"
 #include "chrome/browser/chromeos/drive/file_system/operation_observer.h"
 #include "chrome/browser/chromeos/drive/resource_metadata.h"
 #include "content/public/browser/browser_thread.h"
 #include "net/base/mime_util.h"
 
 using content::BrowserThread;
 
 namespace drive {
 namespace file_system {
 
@@ skipping 95 matching lines @@
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(!callback.is_null());
 
   if (error == FILE_ERROR_EXISTS) {
     // Error if an exclusive mode is requested, or the entry is not a file.
     error = (is_exclusive ||
              entry->file_info().is_directory() ||
              entry->file_specific_info().is_hosted_document()) ?
         FILE_ERROR_EXISTS : FILE_ERROR_OK;
   } else if (error == FILE_ERROR_OK) {
+    DCHECK(!entry->file_info().is_directory());
+
     // Notify observer if the file was newly created.
-    observer_->OnDirectoryChangedByOperation(file_path.DirName());
+    FileChange changed_file;
+    changed_file.Update(
+        file_path, FileChange::FILE_TYPE_FILE, FileChange::ADD_OR_UPDATE);
+    observer_->OnFileChangedByOperation(changed_file);
     observer_->OnEntryUpdatedByOperation(entry->local_id());
   }
   callback.Run(error);
 }
 
 }  // namespace file_system
 }  // namespace drive