Properly handle dialogClose message in password separated sign in flow.

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

Index: chrome/browser/ui/webui/signin/inline_login_handler.cc
diff --git a/chrome/browser/ui/webui/signin/inline_login_handler.cc b/chrome/browser/ui/webui/signin/inline_login_handler.cc
index 61042c6a26f956934025efb95207cd7979d6776c..8836779240e5d400e04f4d37ecb41d43fa9a3992 100644
--- a/chrome/browser/ui/webui/signin/inline_login_handler.cc
+++ b/chrome/browser/ui/webui/signin/inline_login_handler.cc
@@ -60,6 +60,9 @@ void InlineLoginHandler::RegisterMessages() {
   web_ui()->RegisterMessageCallback("navigationButtonClicked",
       base::Bind(&InlineLoginHandler::HandleNavigationButtonClicked,
                  base::Unretained(this)));
+  web_ui()->RegisterMessageCallback("dialogClose",
+      base::Bind(&InlineLoginHandler::HandleDialogClose,
+                 base::Unretained(this)));
 }
 
 void InlineLoginHandler::HandleInitializeMessage(const base::ListValue* args) {
@@ -276,3 +279,10 @@ void InlineLoginHandler::HandleNavigationButtonClicked(
 
   browser->signin_view_controller()->delegate()->PerformNavigation();
 }
+
+void InlineLoginHandler::HandleDialogClose(const base::ListValue* args) {
+  Browser* browser = GetDesktopBrowser(web_ui());
+  DCHECK(browser);
+
+  browser->CloseModalSigninWindow();
+}