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

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

Index: content/browser/webui/web_ui_impl.h
--- content/browser/webui/web_ui_impl.h.orig
+++ content/browser/webui/web_ui_impl.h
@@ -52,7 +52,7 @@ class CONTENT_EXPORT WebUIImpl : 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,
