Move encryption related files from util folder to encryption folder.

chrome/browser/sync/engine/nigori_util.h

-// Copyright (c) 2011 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.
-
-// Various utility methods for nigori-based multi-type encryption.
-
-#ifndef CHROME_BROWSER_SYNC_ENGINE_NIGORI_UTIL_H_
-#define CHROME_BROWSER_SYNC_ENGINE_NIGORI_UTIL_H_
-#pragma once
-
-#include "base/compiler_specific.h"
-#include "chrome/browser/sync/protocol/nigori_specifics.pb.h"
-#include "chrome/browser/sync/syncable/model_type.h"
-
-namespace browser_sync {
-class Cryptographer;
-}
-
-namespace sync_pb {
-class EntitySpecifics;
-}
-
-namespace syncable {
-
-const char kEncryptedString[] = "encrypted";
-
-class BaseTransaction;
-class Entry;
-class ReadTransaction;
-class WriteTransaction;
-
-// Check if our unsyced changes are encrypted if they need to be based on
-// |encrypted_types|.
-// Returns: true if all unsynced data that should be encrypted is.
-//          false if some unsynced changes need to be encrypted.
-// This method is similar to ProcessUnsyncedChangesForEncryption but does not
-// modify the data and does not care if data is unnecessarily encrypted.
-bool VerifyUnsyncedChangesAreEncrypted(
-    BaseTransaction* const trans,
-    const ModelTypeSet& encrypted_types);
-
-// Processes all unsynced changes and ensures they are appropriately encrypted
-// or unencrypted, based on |encrypted_types|.
-bool ProcessUnsyncedChangesForEncryption(
-    WriteTransaction* const trans,
-    browser_sync::Cryptographer* cryptographer);
-
-// Returns true if the entry requires encryption but is not encrypted, false
-// otherwise. Note: this does not check that already encrypted entries are
-// encrypted with the proper key.
-bool EntryNeedsEncryption(const ModelTypeSet& encrypted_types,
-                          const Entry& entry);
-
-// Same as EntryNeedsEncryption, but looks at specifics.
-bool SpecificsNeedsEncryption(const ModelTypeSet& encrypted_types,
-                              const sync_pb::EntitySpecifics& specifics);
-
-// Verifies all data of type |type| is encrypted appropriately.
-bool VerifyDataTypeEncryptionForTest(
-    BaseTransaction* const trans,
-    browser_sync::Cryptographer* cryptographer,
-    ModelType type,
-    bool is_encrypted) WARN_UNUSED_RESULT;
-
-}  // namespace syncable
-
-#endif  // CHROME_BROWSER_SYNC_ENGINE_NIGORI_UTIL_H_