browser test for kAccountsPrefAllowNewUser.

chrome/browser/chromeos/login/webview_login_browsertest.cc

Index: chrome/browser/chromeos/login/webview_login_browsertest.cc
diff --git a/chrome/browser/chromeos/login/webview_login_browsertest.cc b/chrome/browser/chromeos/login/webview_login_browsertest.cc
index 520538ae22fd67889583d8c8513214cd0ed3cd7f..acd8e4b2dca414293af3d407ed95c3c380a328ed 100644
--- a/chrome/browser/chromeos/login/webview_login_browsertest.cc
+++ b/chrome/browser/chromeos/login/webview_login_browsertest.cc
@@ -83,8 +83,26 @@ IN_PROC_BROWSER_TEST_F(WebviewLoginTest, DISABLED_BackButton) {
 IN_PROC_BROWSER_TEST_F(WebviewLoginTest, AllowGuest) {
   WaitForGaiaPageLoad();
   JsExpect("!$('guest-user-header-bar-item').hidden");
-  chromeos::CrosSettings::Get()->SetBoolean(kAccountsPrefAllowGuest, false);
+  CrosSettings::Get()->SetBoolean(kAccountsPrefAllowGuest, false);
   JsExpect("$('guest-user-header-bar-item').hidden");
 }
 
+// Create new account option should be available only if the settings allow it.
+IN_PROC_BROWSER_TEST_F(WebviewLoginTest, AllowNewUser) {
+  DisableRestrictiveProxyCheck();
+  WaitForGaiaPageLoad();
+
+  std::string frame_url = "$('gaia-signin').gaiaAuthHost_.initialFrameUrl_";
+  // New users are allowed.
+  JsExpect(frame_url + ".search('flow=nosignup') == -1");
+
+  // Disallow new users - we also need to set a whitelist due to weird logic.
+  CrosSettings::Get()->Set(kAccountsPrefUsers, base::ListValue());
+  CrosSettings::Get()->SetBoolean(kAccountsPrefAllowNewUser, false);
+  WaitForGaiaPageReload();
+
+  // flow=nosignup indicates that user creation is not allowed.
+  JsExpect(frame_url + ".search('flow=nosignup') != -1");
+}
+
 }  // namespace chromeos