[Payments] Desktop: enable the Payment Request integration by default

chrome/browser/ui/views/payments/payment_request_browsertest_base.cc

Index: chrome/browser/ui/views/payments/payment_request_browsertest_base.cc
diff --git a/chrome/browser/ui/views/payments/payment_request_browsertest_base.cc b/chrome/browser/ui/views/payments/payment_request_browsertest_base.cc
index 4f0383b58f4779e5bf5c4dbef209ec34fe7c17cc..45fe0b4d225155b8d179f8e34b1a8a7102d5df9b 100644
--- a/chrome/browser/ui/views/payments/payment_request_browsertest_base.cc
+++ b/chrome/browser/ui/views/payments/payment_request_browsertest_base.cc
@@ -32,8 +32,6 @@
 #include "components/web_modal/web_contents_modal_dialog_manager.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/web_contents.h"
-#include "content/public/common/content_features.h"
-#include "content/public/common/content_switches.h"
 #include "content/public/test/browser_test_utils.h"
 #include "services/service_manager/public/cpp/binder_registry.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ -59,14 +57,6 @@ PaymentRequestBrowserTestBase::PaymentRequestBrowserTestBase(
       is_valid_ssl_(true) {}
 PaymentRequestBrowserTestBase::~PaymentRequestBrowserTestBase() {}
 
-void PaymentRequestBrowserTestBase::SetUpCommandLine(
-    base::CommandLine* command_line) {
-  InProcessBrowserTest::SetUpCommandLine(command_line);
-  command_line->AppendSwitch(switches::kEnableExperimentalWebPlatformFeatures);
-  command_line->AppendSwitchASCII(switches::kEnableFeatures,
-                                  features::kWebPayments.name);
-}
-
 void PaymentRequestBrowserTestBase::SetUpOnMainThread() {
   https_server_ = base::MakeUnique<net::EmbeddedTestServer>(
       net::EmbeddedTestServer::TYPE_HTTPS);