Added proper extensions for hosted documents.

chrome/browser/chromeos/extensions/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/chromeos/extensions/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 1781 matching lines @@
   SET_STRING(IDS_FILE_BROWSER, RAR_ARCHIVE_FILE_TYPE);
   SET_STRING(IDS_FILE_BROWSER, TAR_ARCHIVE_FILE_TYPE);
   SET_STRING(IDS_FILE_BROWSER, TAR_BZIP2_ARCHIVE_FILE_TYPE);
   SET_STRING(IDS_FILE_BROWSER, TAR_GZIP_ARCHIVE_FILE_TYPE);
   SET_STRING(IDS_FILE_BROWSER, PLAIN_TEXT_FILE_TYPE);
   SET_STRING(IDS_FILE_BROWSER, PDF_DOCUMENT_FILE_TYPE);
   SET_STRING(IDS_FILE_BROWSER, WORD_DOCUMENT_FILE_TYPE);
   SET_STRING(IDS_FILE_BROWSER, POWERPOINT_PRESENTATION_FILE_TYPE);
   SET_STRING(IDS_FILE_BROWSER, EXCEL_FILE_TYPE);
 
+  SET_STRING(IDS_FILE_BROWSER, GDOC_DOCUMENT_FILE_TYPE);
+  SET_STRING(IDS_FILE_BROWSER, GSHEET_DOCUMENT_FILE_TYPE);
+  SET_STRING(IDS_FILE_BROWSER, GSLIDES_DOCUMENT_FILE_TYPE);
+  SET_STRING(IDS_FILE_BROWSER, GSLIDES_DOCUMENT_FILE_TYPE);
+  SET_STRING(IDS_FILE_BROWSER, GTABLE_DOCUMENT_FILE_TYPE);
+
   SET_STRING(IDS_FILE_BROWSER, ENQUEUE);
 #undef SET_STRING
 
   ChromeURLDataManager::DataSource::SetFontAndTextDirection(dict);
 
   dict->SetString("PLAY_MEDIA",
       l10n_util::GetStringUTF16(IDS_CONTENT_CONTEXT_PLAY));
 
   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kEnableGData))
       dict->SetString("ENABLE_GDATA", "1");
 
   return true;
 }