[ChromeOS] Reland - Make WebUI login use only needed resources.

chrome/browser/chromeos/login/webui_login_display_host.cc

Index: chrome/browser/chromeos/login/webui_login_display_host.cc
diff --git a/chrome/browser/chromeos/login/webui_login_display_host.cc b/chrome/browser/chromeos/login/webui_login_display_host.cc
index d5f6e678a453b2d2fd06070cbe14455a7acac206..9c18fe05ca05c3aef90074ed31843ee126fb0d37 100644
--- a/chrome/browser/chromeos/login/webui_login_display_host.cc
+++ b/chrome/browser/chromeos/login/webui_login_display_host.cc
@@ -17,7 +17,7 @@ namespace chromeos {
 namespace {
 
 // URL which corresponds to the login WebUI.
-const char kLoginURL[] = "chrome://login";
+const char kLoginURL[] = "chrome://oobe/login";
 // URL which corresponds to the OOBE WebUI.
 const char kOobeURL[] = "chrome://oobe";
 
@@ -104,7 +104,7 @@ void WebUILoginDisplayHost::StartWizard(const std::string& first_screen_name,
 
 void WebUILoginDisplayHost::StartSignInScreen() {
   if (!login_window_)
-    LoadURL(GURL(kOobeURL));
+    LoadURL(GURL(kLoginURL));
 
   BaseLoginDisplayHost::StartSignInScreen();
   GetOobeUI()->ShowSigninScreen();