Clean up Smart Lock cryptohome keys logic:

chrome/browser/chromeos/login/easy_unlock/easy_unlock_remove_keys_operation.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_EASY_UNLOCK_EASY_UNLOCK_REMOVE_KEYS_OPERATION_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_EASY_UNLOCK_EASY_UNLOCK_REMOVE_KEYS_OPERATION_H_
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "chromeos/login/auth/user_context.h"
 #include "third_party/cros_system_api/dbus/service_constants.h"
 
 namespace chromeos {
 
 class UserContext;
 
 // A class to remove existing Easy unlock cryptohome keys starting at given
 // index.
 class EasyUnlockRemoveKeysOperation {
  public:
   typedef base::Callback<void (bool success)> RemoveKeysCallback;
-  EasyUnlockRemoveKeysOperation(
-      const UserContext& user_context,
-      size_t start_index,
-      const RemoveKeysCallback& callback);
+  EasyUnlockRemoveKeysOperation(const UserContext& user_context,
+                                size_t start_index,
+                                const RemoveKeysCallback& callback);
   ~EasyUnlockRemoveKeysOperation();
 
   void Start();
 
  private:
   void OnGetSystemSalt(const std::string& system_salt);
 
   void RemoveKey();
   void OnKeyRemoved(bool success, cryptohome::MountError return_code);
 
   UserContext user_context_;
   RemoveKeysCallback callback_;
   size_t key_index_;
   base::WeakPtrFactory<EasyUnlockRemoveKeysOperation> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(EasyUnlockRemoveKeysOperation);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_EASY_UNLOCK_EASY_UNLOCK_REMOVE_KEYS_OPERATION_H_