Enable webview-based sign-in to chrome.

components/signin/core/common/signin_switches.cc

Index: components/signin/core/common/signin_switches.cc
diff --git a/components/signin/core/common/signin_switches.cc b/components/signin/core/common/signin_switches.cc
index 6b40e85830ef1b71ecafd6c72e7c5bed2efe397a..a70e289dee325f29dc6be4018ed0760c909bbf0b 100644
--- a/components/signin/core/common/signin_switches.cc
+++ b/components/signin/core/common/signin_switches.cc
@@ -25,6 +25,10 @@ const char kDisableSigninScopedDeviceId[] = "disable-signin-scoped-device-id";
 // Enables consistent identity features.
 const char kEnableAccountConsistency[] = "enable-account-consistency";
 
+// Enables the old iframe-based flow for sign in.  When not enabled, uses the
+// webview-based flow.
+const char kEnableIframeBasedSignin[] = "enable-iframe-based-signin";
+
 // Enable the new avatar menu and the User Manager.
 const char kEnableNewAvatarMenu[] = "enable-new-avatar-menu";
 
@@ -39,9 +43,6 @@ extern const char kEnableRefreshTokenAnnotationRequest[] =
 // settings page.
 const char kEnableWebBasedSignin[] = "enable-web-based-signin";
 
-// Enables the webview-based flow for sign in.
-const char kEnableWebviewBasedSignin[] = "enable-webview-based-signin";
-
 // Enables multiple account versions of chrome.identity APIs.
 const char kExtensionsMultiAccount[] = "extensions-multi-account";