gdata: Define the resource ID for the root directory

chrome/browser/chromeos/gdata/gdata_files.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILES_H_
 #define CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILES_H_
 #pragma once
 
 #include <map>
 #include <string>
@@ skipping 38 matching lines @@
   FROM_SERVER,
 };
 
 // File type on the gdata file system can be either a regular file or
 // a hosted document.
 enum GDataFileType {
   REGULAR_FILE,
   HOSTED_DOCUMENT,
 };
 
+// The root directory name used for the Google Drive file system tree. The
+// name is used in URLs for the file manager, hence user-visible.
+const FilePath::CharType kGDataRootDirectory[] = FILE_PATH_LITERAL("drive");
+
+// The resource ID for the root directory is defined in the spec:
+// https://developers.google.com/google-apps/documents-list/
+const char kGDataRootDirectoryResourceId[] = "folder:root";
+
 // Base class for representing files and directories in gdata virtual file
 // system.
 class GDataEntry {
  public:
   explicit GDataEntry(GDataDirectory* parent, GDataRootDirectory* root);
   virtual ~GDataEntry();
 
   virtual GDataFile* AsGDataFile();
   virtual GDataDirectory* AsGDataDirectory();
   virtual GDataRootDirectory* AsGDataRootDirectory();
@@ skipping 468 matching lines @@
   base::Time last_serialized_;
   int largest_changestamp_;
   size_t serialized_size_;
 
   DISALLOW_COPY_AND_ASSIGN(GDataRootDirectory);
 };
 
 }  // namespace gdata
 
 #endif  // CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILES_H_