Revert of Apply Referrer-Policy header when following redirects

content/shell/browser/shell_url_request_context_getter.h

Index: content/shell/browser/shell_url_request_context_getter.h
diff --git a/content/shell/browser/shell_url_request_context_getter.h b/content/shell/browser/shell_url_request_context_getter.h
index 936a1b96210156eba9be1be52f3d139a691b8d8d..b6ea149ed075d3e64300c80a510be27733690837 100644
--- a/content/shell/browser/shell_url_request_context_getter.h
+++ b/content/shell/browser/shell_url_request_context_getter.h
@@ -59,10 +59,6 @@
   virtual std::unique_ptr<net::ProxyConfigService> GetProxyConfigService();
   virtual std::unique_ptr<net::ProxyService> GetProxyService();
 
-  // TODO(estark): Remove this once the Referrer-Policy header is no
-  // longer an experimental feature. https://crbug.com/619228
-  virtual bool ShouldEnableReferrerPolicyHeader();
-
  private:
   bool ignore_certificate_errors_;
   base::FilePath base_path_;