[Extensions] Convert some ChromeSyncExtensionFunctions

chrome/browser/chromeos/extensions/file_manager/private_api_drive.h

 // Copyright 2013 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.
 //
 // This file provides Drive specific API functions.
 
 #ifndef CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_MANAGER_PRIVATE_API_DRIVE_H_
 #define CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_MANAGER_PRIVATE_API_DRIVE_H_
 
 #include <stddef.h>
@@ skipping 152 matching lines @@
   // entry definitions.
   void OnEntryDefinitionList(
       std::unique_ptr<drive::MetadataSearchResultVector>
           search_result_info_list,
       std::unique_ptr<file_manager::util::EntryDefinitionList>
           entry_definition_list);
 };
 
 // Implements the chrome.fileManagerPrivate.getDriveConnectionState method.
 class FileManagerPrivateGetDriveConnectionStateFunction
-    : public ChromeSyncExtensionFunction {
+    : public UIThreadExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION(
       "fileManagerPrivate.getDriveConnectionState",
       FILEMANAGERPRIVATE_GETDRIVECONNECTIONSTATE);
 
  protected:
   ~FileManagerPrivateGetDriveConnectionStateFunction() override {}
 
-  bool RunSync() override;
+  ResponseAction Run() override;
 };
 
 // Implements the chrome.fileManagerPrivate.requestAccessToken method.
 class FileManagerPrivateRequestAccessTokenFunction
     : public LoggedAsyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("fileManagerPrivate.requestAccessToken",
                              FILEMANAGERPRIVATE_REQUESTACCESSTOKEN)
 
  protected:
@@ skipping 65 matching lines @@
                       const std::string& access_token);
 
  private:
   GURL download_url_;
   std::unique_ptr<google_apis::AuthService> auth_service_;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_MANAGER_PRIVATE_API_DRIVE_H_