[chromeos] Wait for initial page load after login

chrome/browser/automation/automation_event_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_EVENT_OBSERVERS_H_
 #define CHROME_BROWSER_AUTOMATION_AUTOMATION_EVENT_OBSERVERS_H_
 
 #include "base/compiler_specific.h"
 #include "base/values.h"
 #include "chrome/browser/automation/automation_event_queue.h"
@@ skipping 64 matching lines @@
   // the id of this observer.
   static const char* kSubstringReplaceWithObserverId;
 
   DISALLOW_COPY_AND_ASSIGN(DomEventObserver);
 };
 
 #if defined(OS_CHROMEOS)
 
 // Event observer that listens for the completion of login.
 class LoginEventObserver
-    : public AutomationEventObserver, public chromeos::LoginStatusConsumer {
+    : public AutomationEventObserver,
+      public chromeos::LoginStatusConsumer,
+      public content::NotificationObserver {
  public:
   LoginEventObserver(AutomationEventQueue* event_queue,
                      chromeos::ExistingUserController* controller,
                      AutomationProvider* automation);
   virtual ~LoginEventObserver();
 
   virtual void OnLoginFailure(const chromeos::LoginFailure& error) OVERRIDE;
 
   virtual void OnLoginSuccess(const std::string& username,
                               const std::string& password,
                               bool pending_requests, bool using_oauth) OVERRIDE;
+  // Overridden from content::NotificationObserver.
+  virtual void Observe(int type,
+                       const content::NotificationSource& source,
+                       const content::NotificationDetails& details) OVERRIDE;
 
  private:
   chromeos::ExistingUserController* controller_;
   base::WeakPtr<AutomationProvider> automation_;
+  content::NotificationRegistrar registrar_;
 
   void _NotifyLoginEvent(const std::string& error_string);
 
   DISALLOW_COPY_AND_ASSIGN(LoginEventObserver);
 };
 
 #endif  // defined(OS_CHROMEOS)
 
 #endif  // CHROME_BROWSER_AUTOMATION_AUTOMATION_EVENT_OBSERVERS_H_