Move UserContext to its own file

chrome/browser/chromeos/login/auth/online_attempt_host.h

 // Copyright 2014 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_CHROMEOS_LOGIN_AUTH_ONLINE_ATTEMPT_HOST_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_AUTH_ONLINE_ATTEMPT_HOST_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 18 matching lines @@
      virtual void OnChecked(const std::string &username, bool success) = 0;
   };
 
   explicit OnlineAttemptHost(Delegate *delegate);
   virtual ~OnlineAttemptHost();
 
   // Checks user credentials using an online attempt. Calls callback with the
   // check result (whether authentication was successful). Note, only one
   // checking at a time (the newest call stops the old one, if called with
   // another username and password combination).
-  void Check(Profile* profile,
-             const UserContext& user_context);
+  void Check(Profile* profile, const UserContext& user_context);
 
   // Resets the checking process.
   void Reset();
 
   // AuthAttemptStateResolver overrides.
   // Executed on IO thread.
   virtual void Resolve() OVERRIDE;
 
   // Does an actual resolve on UI thread.
   void ResolveOnUIThread(bool success);
 
  private:
   Delegate* delegate_;
   std::string current_attempt_hash_;
   std::string current_username_;
   scoped_ptr<OnlineAttempt> online_attempt_;
   scoped_ptr<AuthAttemptState> state_;
   base::WeakPtrFactory<OnlineAttemptHost> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(OnlineAttemptHost);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_AUTH_ONLINE_ATTEMPT_HOST_H_