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

components/autofill/shared/autofill_pref_names.h

Index: components/autofill/shared/autofill_pref_names.h
diff --git a/components/autofill/shared/autofill_pref_names.h b/components/autofill/shared/autofill_pref_names.h
deleted file mode 100644
index d6924a3e8e0ecbfcf434f209e7475a028725d9f3..0000000000000000000000000000000000000000
--- a/components/autofill/shared/autofill_pref_names.h
+++ /dev/null
@@ -1,21 +0,0 @@
-// Copyright 2013 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_AUTOFILL_PREF_NAMES_H_
-#define COMPONENTS_AUTOFILL_SHARED_AUTOFILL_PREF_NAMES_H_
-
-namespace autofill {
-namespace prefs {
-
-// Alphabetical list of preference names specific to the Autofill
-// component. Keep alphabetized, and document each in the .cc file.
-extern const char kAutofillAuxiliaryProfilesEnabled[];
-extern const char kAutofillEnabled[];
-extern const char kAutofillNegativeUploadRate[];
-extern const char kAutofillPositiveUploadRate[];
-
-}  // namespace prefs
-}  // namespace autofill
-
-#endif  // COMPONENTS_AUTOFILL_SHARED_AUTOFILL_PREF_NAMES_H_