[fsp] Add support for reading directories.

chrome/browser/chromeos/file_system_provider/request_value.cc

Index: chrome/browser/chromeos/file_system_provider/request_value.cc
diff --git a/chrome/browser/chromeos/file_system_provider/request_value.cc b/chrome/browser/chromeos/file_system_provider/request_value.cc
index 5bc8e42b35b95fb51113083121c0782a1d5437d2..ac85e66851c2be4fcf013912119799597a2c4b05 100644
--- a/chrome/browser/chromeos/file_system_provider/request_value.cc
+++ b/chrome/browser/chromeos/file_system_provider/request_value.cc
@@ -29,6 +29,14 @@ scoped_ptr<RequestValue> RequestValue::CreateForGetMetadataSuccess(
   return result.Pass();
 }
 
+scoped_ptr<RequestValue> RequestValue::CreateForReadDirectorySuccess(
+    scoped_ptr<extensions::api::file_system_provider_internal::
+                   ReadDirectoryRequestedSuccess::Params> params) {
+  scoped_ptr<RequestValue> result(new RequestValue);
+  result->read_directory_success_params_ = params.Pass();
+  return result.Pass();
+}
+
 scoped_ptr<RequestValue> RequestValue::CreateForTesting(
     const std::string& params) {
   scoped_ptr<RequestValue> result(new RequestValue);