$OpenBSD: patch-content_public_test_test_web_ui_h,v 1.1 2018/06/06 07:50:54 robert Exp $

revert https://chromium-review.googlesource.com/c/chromium/src/+/986504

Index: content/public/test/test_web_ui.h
--- content/public/test/test_web_ui.h.orig
+++ content/public/test/test_web_ui.h
@@ -35,7 +35,7 @@ class TestWebUI : public WebUI {
   int GetBindings() const override;
   void SetBindings(int bindings) override {}
   void AddMessageHandler(std::unique_ptr<WebUIMessageHandler> handler) override;
-  void RegisterMessageCallback(base::StringPiece message,
+  void RegisterMessageCallback(const std::string& message,
                                const MessageCallback& callback) override {}
   void ProcessWebUIMessage(const GURL& source_url,
                            const std::string& message,
