[filebrowser] In Gallery, do not allow file names starting with dot.

chrome/browser/extensions/extension_file_browser_private_api.cc

 // Copyright (c) 2012 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/extensions/extension_file_browser_private_api.h"
 
 #include "base/base64.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/json/json_writer.h"
@@ skipping 1555 matching lines @@
   SET_STRING(IDS_FILE_BROWSER, GALLERY_FIXED);
   SET_STRING(IDS_FILE_BROWSER, GALLERY_CROP);
   SET_STRING(IDS_FILE_BROWSER, GALLERY_EXPOSURE);
   SET_STRING(IDS_FILE_BROWSER, GALLERY_BRIGHTNESS);
   SET_STRING(IDS_FILE_BROWSER, GALLERY_CONTRAST);
   SET_STRING(IDS_FILE_BROWSER, GALLERY_ROTATE_LEFT);
   SET_STRING(IDS_FILE_BROWSER, GALLERY_ROTATE_RIGHT);
   SET_STRING(IDS_FILE_BROWSER, GALLERY_UNDO);
   SET_STRING(IDS_FILE_BROWSER, GALLERY_REDO);
   SET_STRING(IDS_FILE_BROWSER, GALLERY_FILE_EXISTS);
+  // Reusing the string, but with alias starting with GALLERY.
+  dict->SetString("GALLERY_FILE_HIDDEN_NAME",
+      l10n_util::GetStringUTF16(IDS_FILE_BROWSER_ERROR_HIDDEN_NAME));
 
   SET_STRING(IDS_FILE_BROWSER, CONFIRM_OVERWRITE_FILE);
   SET_STRING(IDS_FILE_BROWSER, FILE_ALREADY_EXISTS);
   SET_STRING(IDS_FILE_BROWSER, DIRECTORY_ALREADY_EXISTS);
   SET_STRING(IDS_FILE_BROWSER, ERROR_RENAMING);
   SET_STRING(IDS_FILE_BROWSER, RENAME_PROMPT);
   SET_STRING(IDS_FILE_BROWSER, RENAME_BUTTON_LABEL);
 
   SET_STRING(IDS_FILE_BROWSER, ERROR_DELETING);
   SET_STRING(IDS_FILE_BROWSER, DELETE_BUTTON_LABEL);
@@ skipping 94 matching lines @@
   SET_STRING(IDS_FILE_BROWSER, ENQUEUE);
 #undef SET_STRING
 
   ChromeURLDataManager::DataSource::SetFontAndTextDirection(dict);
 
   dict->SetString("PLAY_MEDIA",
       l10n_util::GetStringUTF16(IDS_CONTENT_CONTEXT_PLAY));
 
   return true;
 }