Support for auth code based authentication flow for both app and web UI driven flow.

chrome/browser/automation/automation_provider_observers.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_AUTOMATION_AUTOMATION_PROVIDER_OBSERVERS_H_
 #define CHROME_BROWSER_AUTOMATION_AUTOMATION_PROVIDER_OBSERVERS_H_
 
 #include <deque>
 #include <map>
 #include <set>
@@ skipping 765 matching lines @@
 class ScreenUnlockObserver : public ScreenLockUnlockObserver,
                              public chromeos::LoginStatusConsumer {
  public:
   ScreenUnlockObserver(AutomationProvider* automation,
                        IPC::Message* reply_message);
   virtual ~ScreenUnlockObserver();
 
   virtual void OnLoginFailure(const chromeos::LoginFailure& error);
 
   virtual void OnLoginSuccess(
-      const std::string& username,
-      const std::string& password,
+      const chromeos::UserCredentials& credentials,
       bool pending_requests,
       bool using_oauth) {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ScreenUnlockObserver);
 };
 
 class NetworkScanObserver
     : public chromeos::NetworkLibrary::NetworkManagerObserver {
  public:
@@ skipping 1004 matching lines @@
   base::WeakPtr<AutomationProvider> automation_;
   scoped_ptr<IPC::Message> reply_message_;
   int new_window_id_;
   int num_loads_;
 
   DISALLOW_COPY_AND_ASSIGN(
       BrowserOpenedWithExistingProfileNotificationObserver);
 };
 
 #endif  // CHROME_BROWSER_AUTOMATION_AUTOMATION_PROVIDER_OBSERVERS_H_