Make the new Gaia password separated signin flow modal.

chrome/browser/ui/webui/signin/inline_login_handler_impl.cc

Index: chrome/browser/ui/webui/signin/inline_login_handler_impl.cc
diff --git a/chrome/browser/ui/webui/signin/inline_login_handler_impl.cc b/chrome/browser/ui/webui/signin/inline_login_handler_impl.cc
index 5f2c00da6903731f42a208e232f7d2779dc1175d..6718d1871049863a7d11a36752acb7c88a741780 100644
--- a/chrome/browser/ui/webui/signin/inline_login_handler_impl.cc
+++ b/chrome/browser/ui/webui/signin/inline_login_handler_impl.cc
@@ -713,6 +713,13 @@ void InlineLoginHandlerImpl::FinishCompleteLogin(
     const FinishCompleteLoginParams& params,
     Profile* profile,
     Profile::CreateStatus status) {
+  if (params.handler && switches::UsePasswordSeparatedSigninFlow()) {
+    Browser* browser = params.handler->GetDesktopBrowser();
+    if (browser) {
+      browser->window()->CloseModalSigninWindow();
+    }

[Roger Tawa OOO till Jul 10th, 2015/11/11 19:34:30]

Nit: don't need { and }

[anthonyvd, 2015/11/24 16:28:04]

Done.

+  }
+
   // When doing a SAML sign in, this email check may result in a false
   // positive.  This happens when the user types one email address in the
   // gaia sign in page, but signs in to a different account in the SAML sign in