[Extensions] Convert some ChromeSyncExtensionFunctions

chrome/browser/chromeos/extensions/file_manager/private_api_tasks.cc

 // 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.
 
 #include "chrome/browser/chromeos/extensions/file_manager/private_api_tasks.h"
 
 #include <stddef.h>
 
 #include <set>
 #include <string>
@@ skipping 198 matching lines @@
     converted.is_default = task.is_default();
     converted.is_generic_file_handler = task.is_generic_file_handler();
     results.push_back(std::move(converted));
   }
 
   results_ = extensions::api::file_manager_private_internal::GetFileTasks::
       Results::Create(results);
   SendResponse(true);
 }
 
-bool FileManagerPrivateInternalSetDefaultTaskFunction::RunSync() {
+ExtensionFunction::ResponseAction
+FileManagerPrivateInternalSetDefaultTaskFunction::Run() {
   using extensions::api::file_manager_private_internal::SetDefaultTask::Params;
   const std::unique_ptr<Params> params(Params::Create(*args_));
   EXTENSION_FUNCTION_VALIDATE(params);
 
+  Profile* profile = Profile::FromBrowserContext(browser_context());
   const scoped_refptr<storage::FileSystemContext> file_system_context =
       file_manager::util::GetFileSystemContextForRenderFrameHost(
-          GetProfile(), render_frame_host());
+          profile, render_frame_host());
 
   const std::set<std::string> suffixes =
       GetUniqueSuffixes(params->urls, file_system_context.get());
   const std::set<std::string> mime_types =
       GetUniqueMimeTypes(params->mime_types);
 
   // If there weren't any mime_types, and all the suffixes were blank,
   // then we "succeed", but don't actually associate with anything.
   // Otherwise, any time we set the default on a file with no extension
   // on the local drive, we'd fail.
   // TODO(gspencer): Fix file manager so that it never tries to set default in
   // cases where extensionless local files are part of the selection.
   if (suffixes.empty() && mime_types.empty()) {
-    SetResult(base::MakeUnique<base::FundamentalValue>(true));
-    return true;
+    return RespondNow(
+        OneArgument(base::MakeUnique<base::FundamentalValue>(true)));
   }
 
   file_manager::file_tasks::UpdateDefaultTask(
-      GetProfile()->GetPrefs(), params->task_id, suffixes, mime_types);
-  return true;
+      profile->GetPrefs(), params->task_id, suffixes, mime_types);
+  return RespondNow(NoArguments());
 }
 
 }  // namespace extensions