[FileBrowser] Added DefaultAction dialog to choose default action.

chrome/browser/chromeos/extensions/file_handler_util.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_EXTENSIONS_FILE_HANDLER_UTIL_H_
 #define CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_HANDLER_UTIL_H_
 #pragma once
 
 #include <vector>
 
 #include "base/platform_file.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/url_pattern_set.h"
 
 class Browser;
 class ExtensionHost;
 class FileBrowserHandler;
 class GURL;
 class Profile;
 
 namespace file_handler_util {
 
+void UpdateFileHandlerUsageStats(Profile* profile, const std::string& task_id);
+
 // Gets read-write file access permission flags.
 int GetReadWritePermissions();
 // Gets read-only file access permission flags.
 int GetReadOnlyPermissions();
 
 // Generates file task id for the file actin specified by the extension.
 std::string MakeTaskID(const std::string& extension_id,
                        const std::string& action_id);
 
 // Extracts action and extension id bound to the file task.
@@ skipping 96 matching lines @@
   const std::string extension_id_;
   const std::string action_id_;
 
   // (File path, permission for file path) pairs for the handler.
   std::vector<std::pair<FilePath, int> > handler_host_permissions_;
 };
 
 }  // namespace file_handler_util
 
 #endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_HANDLER_UTIL_H_