change gaia endpoint by shortcut ctrl-shift-alt-w

chrome/browser/resources/chromeos/login/screen_gaia_signin.js

Index: chrome/browser/resources/chromeos/login/screen_gaia_signin.js
diff --git a/chrome/browser/resources/chromeos/login/screen_gaia_signin.js b/chrome/browser/resources/chromeos/login/screen_gaia_signin.js
index 55610e848035dfda45d0ecb54e694e085a9b6ae0..b118c87425f6e98f47b1111a85211381ae067b63 100644
--- a/chrome/browser/resources/chromeos/login/screen_gaia_signin.js
+++ b/chrome/browser/resources/chromeos/login/screen_gaia_signin.js
@@ -289,6 +289,11 @@ login.createScreen('GaiaSigninScreen', 'gaia-signin', function() {
       if (data.localizedStrings)
         params.localizedStrings = data.localizedStrings;
 
+      if (this.isWebviewSignin) {
+        data.useEmbedded = false;
+        params.gaiaPath = 'ChromeOsEmbeddedSetup';
+      }
+
       if (data.useEmbedded)
         params.gaiaPath = 'EmbeddedSignIn';