Enable web-based sign in flow by default. Can use command line argument

chrome/browser/ui/webui/bidi_checker_web_ui_test.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/webui/bidi_checker_web_ui_test.h"
 
 #include "base/base_paths.h"
+#include "base/command_line.h"
 #include "base/i18n/rtl.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/threading/platform_thread.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/autofill/autofill_common_test.h"
 #include "chrome/browser/autofill/autofill_profile.h"
 #include "chrome/browser/autofill/personal_data_manager.h"
 #include "chrome/browser/autofill/personal_data_manager_factory.h"
 #include "chrome/browser/history/history.h"
 #include "chrome/browser/history/history_service_factory.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/prefs/session_startup_pref.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
+#include "chrome/common/chrome_switches.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/public/browser/browser_thread.h"
 #include "ui/base/resource/resource_bundle.h"
 
 #if defined(TOOLKIT_GTK)
 #include <gtk/gtk.h>
 #endif
 
 static const FilePath::CharType* kWebUIBidiCheckerLibraryJS =
@@ skipping 38 matching lines @@
   content::RunMessageLoop();
 }
 
 }  // namespace
 
 static const FilePath::CharType* kBidiCheckerTestsJS =
     FILE_PATH_LITERAL("bidichecker_tests.js");
 
 WebUIBidiCheckerBrowserTest::~WebUIBidiCheckerBrowserTest() {}
 
+void WebUIBidiCheckerBrowserTest::SetUp() {
+  // The new web-based sign in flow does not use webui.  However, the old
+  // /CliengLogin flow does. Force this test to always run the old flow to make
+  // sure it does not regress.
+  if (!CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kUseClientLoginSigninFlow)) {
+        CommandLine::ForCurrentProcess()->AppendSwitch(
+            switches::kUseClientLoginSigninFlow);
+  }
+
+  WebUIBrowserTest::SetUp();
+}
+
 WebUIBidiCheckerBrowserTest::WebUIBidiCheckerBrowserTest() {}
 
 void WebUIBidiCheckerBrowserTest::SetUpInProcessBrowserTestFixture() {
   WebUIBrowserTest::SetUpInProcessBrowserTestFixture();
   WebUIBrowserTest::AddLibrary(WebUIBidiCheckerLibraryJSPath());
   WebUIBrowserTest::AddLibrary(FilePath(kBidiCheckerTestsJS));
 }
 
 void WebUIBidiCheckerBrowserTest::RunBidiCheckerOnPage(
     const std::string& page_url, bool is_rtl) {
@@ skipping 659 matching lines @@
 // chrome://history-frame
 //==============================
 
 IN_PROC_BROWSER_TEST_F(WebUIBidiCheckerBrowserTestLTR, TestHistoryFrame) {
   RunBidiCheckerOnPage(chrome::kChromeUIHistoryFrameURL);
 }
 
 IN_PROC_BROWSER_TEST_F(WebUIBidiCheckerBrowserTestRTL, TestHistoryFrame) {
   RunBidiCheckerOnPage(chrome::kChromeUIHistoryFrameURL);
 }