Adding file access permissions to fileBrowserHandler manifest.

chrome/common/extensions/file_browser_handler.h

 // Copyright (c) 2011 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_COMMON_EXTENSIONS_FILE_BROWSER_HANDLER_H_
 #define CHROME_COMMON_EXTENSIONS_FILE_BROWSER_HANDLER_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 32 matching lines @@
   void AddPattern(const URLPattern& pattern);
   bool MatchesURL(const GURL& url) const;
   void ClearPatterns();
 
   // Action icon path.
   const std::string icon_path() const { return default_icon_path_; }
   void set_icon_path(const std::string& path) {
     default_icon_path_ = path;
   }
 
+  // File access permissions.
+  // Adjusts file_access_permission_flags_ to allow specified permission.
+  bool AddFileAccessPermission(const std::string& permission_str);
+  // Checks that specified file access permissions are valid (all set
+  // permissions are valid and there is no other permission specified with
+  // "create")
+  // If no access permissions were set, initialize them to default value.
+  bool ValidateFileAccessPermissions();
+  // Checks if handler has read access.
+  bool CanRead() const;
+  // Checks if handler has write access.
+  bool CanWrite() const;
+  // Checks if handler has "create" access specified.
+  bool HasCreateAccessPermission() const;
+
  private:
   // The id for the extension this action belongs to (as defined in the
   // extension manifest).
   std::string extension_id_;
   std::string title_;
   std::string default_icon_path_;
   // The id for the FileBrowserHandler, for example: "PdfFileAction".
   std::string id_;
+  unsigned int file_access_permission_flags_;
+
   // A list of file filters.
   URLPatternSet url_set_;
 };
 
 #endif  // CHROME_COMMON_EXTENSIONS_FILE_BROWSER_HANDLER_H_