Move tracked prefs into services/preferences/tracked.

services/preferences/public/cpp/tracked_preference_validation_delegate_struct_traits.h

Index: services/preferences/public/cpp/tracked_preference_validation_delegate_struct_traits.h
diff --git a/services/preferences/public/cpp/tracked_preference_validation_delegate_struct_traits.h b/services/preferences/public/cpp/tracked_preference_validation_delegate_struct_traits.h
deleted file mode 100644
index 46f07bd246faa0a002fccc12fb9ab8a566d79f1f..0000000000000000000000000000000000000000
--- a/services/preferences/public/cpp/tracked_preference_validation_delegate_struct_traits.h
+++ /dev/null
@@ -1,28 +0,0 @@
-// Copyright 2017 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 SERVICES_PREFERENCES_PUBLIC_CPP_TRACKED_PREFERENCE_VALIDATION_DELEGATE_STRUCT_TRAITS_H_
-#define SERVICES_PREFERENCES_PUBLIC_CPP_TRACKED_PREFERENCE_VALIDATION_DELEGATE_STRUCT_TRAITS_H_
-
-#include "components/user_prefs/tracked/pref_hash_store_transaction.h"
-#include "mojo/public/cpp/bindings/enum_traits.h"
-#include "services/preferences/public/interfaces/tracked_preference_validation_delegate.mojom-shared.h"
-
-namespace mojo {
-
-template <>
-struct EnumTraits<
-    ::prefs::mojom::TrackedPreferenceValidationDelegate_ValueState,
-    ::PrefHashStoreTransaction::ValueState> {
-  static prefs::mojom::TrackedPreferenceValidationDelegate_ValueState ToMojom(
-      PrefHashStoreTransaction::ValueState input);
-
-  static bool FromMojom(
-      prefs::mojom::TrackedPreferenceValidationDelegate_ValueState input,
-      PrefHashStoreTransaction::ValueState* output);
-};
-
-}  // namespace mojo
-
-#endif  // SERVICES_PREFERENCES_PUBLIC_CPP_TRACKED_PREFERENCE_VALIDATION_DELEGATE_STRUCT_TRAITS_H_