[Payment Request] Change the lifetime management of PaymentRequestImpl

chrome/browser/payments/site_per_process_payments_browsertest.cc

Index: chrome/browser/payments/site_per_process_payments_browsertest.cc
diff --git a/chrome/browser/payments/site_per_process_payments_browsertest.cc b/chrome/browser/payments/site_per_process_payments_browsertest.cc
index 4007ee099090cbd16bc6220413a0652b8ebede0b..e352968ba917c5a7b5b260340257b47e0e45840e 100644
--- a/chrome/browser/payments/site_per_process_payments_browsertest.cc
+++ b/chrome/browser/payments/site_per_process_payments_browsertest.cc
@@ -32,7 +32,8 @@ class SitePerProcessPaymentsBrowserTest : public InProcessBrowserTest {
     // HTTPS server only serves a valid cert for localhost, so this is needed
     // to load pages from other hosts without an error.
     command_line->AppendSwitch(switches::kIgnoreCertificateErrors);
-    command_line->AppendSwitch("enable-experimental-web-platform-features");
+    command_line->AppendSwitch(
+        switches::kEnableExperimentalWebPlatformFeatures);
     // Append --site-per-process flag.
     content::IsolateAllSitesForTesting(command_line);
   }