Chromad: Add authentication flow

chrome/browser/ui/webui/chromeos/login/gaia_screen_handler.h

Index: chrome/browser/ui/webui/chromeos/login/gaia_screen_handler.h
diff --git a/chrome/browser/ui/webui/chromeos/login/gaia_screen_handler.h b/chrome/browser/ui/webui/chromeos/login/gaia_screen_handler.h
index 21c5497864366899421685e24e333f870ba3b724..8faee6dfd97480799fee48d989f86ccb2826f23c 100644
--- a/chrome/browser/ui/webui/chromeos/login/gaia_screen_handler.h
+++ b/chrome/browser/ui/webui/chromeos/login/gaia_screen_handler.h
@@ -20,6 +20,7 @@ class AccountId;
 
 namespace chromeos {
 
+class Key;
 class SigninScreenHandler;
 class SigninScreenHandlerDelegate;
 
@@ -96,6 +97,9 @@ class GaiaScreenHandler : public BaseScreenHandler,
                            const std::string& password,
                            bool using_saml);
 
+  void HandleCompleteAdAuthentication(const std::string& user_name,
+                                      const std::string& password);
+
   void HandleUsingSAMLAPI();
   void HandleScrapedPasswordCount(int password_count);
   void HandleScrapedPasswordVerificationFailed();
@@ -127,6 +131,17 @@ class GaiaScreenHandler : public BaseScreenHandler,
   void StartClearingDnsCache();
   void OnDnsCleared();
 
+  // Callback for AuthPolicyClient.
+  void HandleAdAuth(const std::string& username,
+                    const Key& key,
+                    int code,
+                    const std::string& uid);
+
+  // Callback for writing password into pipe.
+  void OnPasswordPipeReady(const std::string& user_name,
+                           const Key& key,
+                           base::ScopedFD password_fd);
+
   // Show sign-in screen for the given credentials.
   void ShowSigninScreenForTest(const std::string& username,
                                const std::string& password);