[fsp] Use auto generated methods for generating dictionaries.

chrome/browser/chromeos/file_system_provider/operations/close_file.cc

Index: chrome/browser/chromeos/file_system_provider/operations/close_file.cc
diff --git a/chrome/browser/chromeos/file_system_provider/operations/close_file.cc b/chrome/browser/chromeos/file_system_provider/operations/close_file.cc
index a81f8fbf5878b044edf26a5a89cc89b54f748c1f..321fd9c84a2f2e4fd6467399ac77c65052bc1ceb 100644
--- a/chrome/browser/chromeos/file_system_provider/operations/close_file.cc
+++ b/chrome/browser/chromeos/file_system_provider/operations/close_file.cc
@@ -26,13 +26,18 @@ CloseFile::~CloseFile() {
 }
 
 bool CloseFile::Execute(int request_id) {
-  scoped_ptr<base::DictionaryValue> values(new base::DictionaryValue);
-  values->SetInteger("openRequestId", open_request_id_);
+  using extensions::api::file_system_provider::CloseFileRequestedOptions;
+
+  CloseFileRequestedOptions options;
+  options.file_system_id = file_system_info_.file_system_id();
+  options.request_id = request_id;
+  options.open_request_id = open_request_id_;
 
   return SendEvent(
       request_id,
       extensions::api::file_system_provider::OnCloseFileRequested::kEventName,
-      values.Pass());
+      extensions::api::file_system_provider::OnCloseFileRequested::Create(
+          options));
 }
 
 void CloseFile::OnSuccess(int /* request_id */,