diff --git a/atom/common/native_mate_converters/content_converter.cc b/atom/common/native_mate_converters/content_converter.cc
index c064df43b663..01682bb7706e 100644
--- a/atom/common/native_mate_converters/content_converter.cc
+++ b/atom/common/native_mate_converters/content_converter.cc
@@ -221,16 +221,16 @@ Converter<scoped_refptr<ResourceRequestBody>>::ToV8(
       post_data_dict->Set("bytes", std::move(bytes));
     } else if (type == ResourceRequestBody::Element::TYPE_FILE) {
       post_data_dict->SetString("type", "file");
-      post_data_dict->SetStringWithoutPathExpansion(
-          "filePath", element.path().AsUTF8Unsafe());
+      post_data_dict->SetKey("filePath",
+                             base::Value(element.path().AsUTF8Unsafe()));
       post_data_dict->SetInteger("offset", static_cast<int>(element.offset()));
       post_data_dict->SetInteger("length", static_cast<int>(element.length()));
       post_data_dict->SetDouble(
           "modificationTime", element.expected_modification_time().ToDoubleT());
     } else if (type == ResourceRequestBody::Element::TYPE_FILE_FILESYSTEM) {
       post_data_dict->SetString("type", "fileSystem");
-      post_data_dict->SetStringWithoutPathExpansion(
-          "fileSystemURL", element.filesystem_url().spec());
+      post_data_dict->SetKey("fileSystemURL",
+                             base::Value(element.filesystem_url().spec()));
       post_data_dict->SetInteger("offset", static_cast<int>(element.offset()));
       post_data_dict->SetInteger("length", static_cast<int>(element.length()));
       post_data_dict->SetDouble(
diff --git a/atom/common/native_mate_converters/net_converter.cc b/atom/common/native_mate_converters/net_converter.cc
index 05c20ea6be28..618c089ae9ab 100644
--- a/atom/common/native_mate_converters/net_converter.cc
+++ b/atom/common/native_mate_converters/net_converter.cc
@@ -203,7 +203,7 @@ void FillRequestDetails(base::DictionaryValue* details,
   details->SetString("method", request->method());
   std::string url;
   if (!request->url_chain().empty()) url = request->url().spec();
-  details->SetStringWithoutPathExpansion("url", url);
+  details->SetKey("url", base::Value(url));
   details->SetString("referrer", request->referrer());
   std::unique_ptr<base::ListValue> list(new base::ListValue);
   GetUploadData(list.get(), request);
@@ -239,7 +239,7 @@ void GetUploadData(base::ListValue* upload_data_list,
       const net::UploadFileElementReader* file_reader =
           reader->AsFileReader();
       auto file_path = file_reader->path().AsUTF8Unsafe();
-      upload_data_dict->SetStringWithoutPathExpansion("file", file_path);
+      upload_data_dict->SetKey("file", base::Value(file_path));
     } else {
       const storage::UploadBlobElementReader* blob_reader =
           static_cast<storage::UploadBlobElementReader*>(reader.get());