diff --git a/atom/browser/ui/webui/pdf_viewer_ui.cc b/atom/browser/ui/webui/pdf_viewer_ui.cc
index c36b62098d6c..54fcdc31764e 100644
--- a/atom/browser/ui/webui/pdf_viewer_ui.cc
+++ b/atom/browser/ui/webui/pdf_viewer_ui.cc
@@ -46,10 +46,10 @@ class BundledDataSource : public content::URLDataSource {
   // content::URLDataSource implementation.
   std::string GetSource() const override { return kPdfViewerUIHost; }
 
-  void StartDataRequest(const std::string& path,
-                        int render_process_id,
-                        int render_frame_id,
-                        const GotDataCallback& callback) override {
+  void StartDataRequest(
+      const std::string& path,
+      const content::ResourceRequestInfo::WebContentsGetter& wc_getter,
+      const GotDataCallback& callback) override {
     std::string filename = PathWithoutParams(path);
     auto entry =
         path_to_resource_id_.find(base::FilePath::FromUTF8Unsafe(filename));