Add flag to show toolkit-views dialogs on Mac, start with HTTP-Auth.

chrome/browser/ui/views/login_prompt_views.cc

Index: chrome/browser/ui/views/login_prompt_views.cc
diff --git a/chrome/browser/ui/views/login_prompt_views.cc b/chrome/browser/ui/views/login_prompt_views.cc
index c7c4e54752f1f222924f11432032aa8c98a19120..cde26d5d2f2b9097da0aa4dbc3c3442738b8c24d 100644
--- a/chrome/browser/ui/views/login_prompt_views.cc
+++ b/chrome/browser/ui/views/login_prompt_views.cc
@@ -138,8 +138,11 @@ class LoginHandlerViews : public LoginHandler, public views::DialogDelegate {
   DISALLOW_COPY_AND_ASSIGN(LoginHandlerViews);
 };
 
-// static
-LoginHandler* LoginHandler::Create(net::AuthChallengeInfo* auth_info,
-                                   net::URLRequest* request) {
+namespace chrome {
+
+LoginHandler* CreateLoginHandlerViews(net::AuthChallengeInfo* auth_info,
+                                      net::URLRequest* request) {
   return new LoginHandlerViews(auth_info, request);
 }
+
+}  // namespace chrome