Revert "In components/autofill, move common/ to shared/"

components/autofill/common/password_generation_util.h

-// Copyright 2013 The Chromium Authors. All rights reserved.
+// 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 COMPONENTS_AUTOFILL_SHARED_PASSWORD_GENERATION_UTIL_H_
-#define COMPONENTS_AUTOFILL_SHARED_PASSWORD_GENERATION_UTIL_H_
+#ifndef COMPONENTS_AUTOFILL_COMMON_PASSWORD_GENERATION_UTIL_H_
+#define COMPONENTS_AUTOFILL_COMMON_PASSWORD_GENERATION_UTIL_H_
 
 namespace autofill {
 namespace password_generation {
 
 // Enumerates various events related to the password generation process.
 enum PasswordGenerationEvent {
   // No Account creation form is detected.
   NO_SIGN_UP_DETECTED,
 
   // Account creation form is detected.
@@ skipping 50 matching lines @@
   // User accepts the gererated password after manually editing it.
   ACCEPT_AFTER_EDITING,
 
   // Number of enum entries, used for UMA histogram reporting macros.
   ACTION_ENUM_COUNT
 };
 
 }  // namespace password_generation
 }  // namespace autofill
 
-#endif  // COMPONENTS_AUTOFILL_SHARED_PASSWORD_GENERATION_UTIL_H_
+#endif  // COMPONENTS_AUTOFILL_COMMON_PASSWORD_GENERATION_UTIL_H_