[Sync] Move 'sync' target to sync/

chrome/browser/sync/engine/syncer_proto_util.h

-// 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 CHROME_BROWSER_SYNC_ENGINE_SYNCER_PROTO_UTIL_H_
-#define CHROME_BROWSER_SYNC_ENGINE_SYNCER_PROTO_UTIL_H_
-#pragma once
-
-#include <string>
-
-#include "base/gtest_prod_util.h"
-#include "base/time.h"
-#include "chrome/browser/sync/internal_api/includes/syncer_error.h"
-#include "chrome/browser/sync/sessions/sync_session.h"
-#include "chrome/browser/sync/syncable/blob.h"
-#include "chrome/browser/sync/syncable/model_type.h"
-
-namespace syncable {
-class Directory;
-class Entry;
-}  // namespace syncable
-
-namespace sync_pb {
-class ClientToServerResponse;
-class EntitySpecifics;
-}  // namespace sync_pb
-
-namespace browser_sync {
-
-namespace sessions {
-class SyncProtocolError;
-class SyncSessionContext;
-}
-
-class ClientToServerMessage;
-class ServerConnectionManager;
-class SyncEntity;
-class CommitResponse_EntryResponse;
-
-class SyncerProtoUtil {
- public:
-  // Posts the given message and fills the buffer with the returned value.
-  // Returns true on success.  Also handles store birthday verification: will
-  // produce a SyncError if the birthday is incorrect.
-  static SyncerError PostClientToServerMessage(
-      const ClientToServerMessage& msg,
-      sync_pb::ClientToServerResponse* response,
-      sessions::SyncSession* session);
-
-  // Compares a syncable Entry to SyncEntity, returns true iff the data is
-  // identical.
-  //
-  // TODO(sync): The places where this function is used are arguable big causes
-  // of the fragility, because there's a tendency to freak out the moment the
-  // local and server values diverge. However, this almost always indicates a
-  // sync bug somewhere earlier in the sync cycle.
-  static bool Compare(const syncable::Entry& local_entry,
-                      const SyncEntity& server_entry);
-
-  // Utility methods for converting between syncable::Blobs and protobuf byte
-  // fields.
-  static void CopyProtoBytesIntoBlob(const std::string& proto_bytes,
-                                     syncable::Blob* blob);
-  static bool ProtoBytesEqualsBlob(const std::string& proto_bytes,
-                                   const syncable::Blob& blob);
-  static void CopyBlobIntoProtoBytes(const syncable::Blob& blob,
-                                     std::string* proto_bytes);
-
-  // Extract the name field from a sync entity.
-  static const std::string& NameFromSyncEntity(
-      const sync_pb::SyncEntity& entry);
-
-  // Extract the name field from a commit entry response.
-  static const std::string& NameFromCommitEntryResponse(
-      const CommitResponse_EntryResponse& entry);
-
-  // EntitySpecifics is used as a filter for the GetUpdates message to tell
-  // the server which datatypes to send back.  This adds a datatype so that
-  // it's included in the filter.
-  static void AddToEntitySpecificDatatypesFilter(syncable::ModelType datatype,
-      sync_pb::EntitySpecifics* filter);
-
-  // Get a debug string representation of the client to server response.
-  static std::string ClientToServerResponseDebugString(
-      const sync_pb::ClientToServerResponse& response);
-
-  // Get update contents as a string. Intended for logging, and intended
-  // to have a smaller footprint than the protobuf's built-in pretty printer.
-  static std::string SyncEntityDebugString(const sync_pb::SyncEntity& entry);
-
-  // Pull the birthday from the dir and put it into the msg.
-  static void AddRequestBirthday(syncable::Directory* dir,
-                                 ClientToServerMessage* msg);
-
- private:
-  SyncerProtoUtil() {}
-
-  // Helper functions for PostClientToServerMessage.
-
-  // Verifies the store birthday, alerting/resetting as appropriate if there's a
-  // mismatch. Return false if the syncer should be stuck.
-  static bool VerifyResponseBirthday(syncable::Directory* dir,
-      const sync_pb::ClientToServerResponse* response);
-
-  // Builds and sends a SyncEngineEvent to begin migration for types (specified
-  // in notification).
-  static void HandleMigrationDoneResponse(
-      const sync_pb::ClientToServerResponse* response,
-      sessions::SyncSession* session);
-
-  // Post the message using the scm, and do some processing on the returned
-  // headers. Decode the server response.
-  static bool PostAndProcessHeaders(browser_sync::ServerConnectionManager* scm,
-                                    sessions::SyncSession* session,
-                                    const ClientToServerMessage& msg,
-                                    sync_pb::ClientToServerResponse* response);
-
-  static base::TimeDelta GetThrottleDelay(
-      const sync_pb::ClientToServerResponse& response);
-
-  static void HandleThrottleError(const SyncProtocolError& error,
-                                  const base::TimeTicks& throttled_until,
-                                  sessions::SyncSessionContext* context,
-                                  sessions::SyncSession::Delegate* delegate);
-
-  friend class SyncerProtoUtilTest;
-  FRIEND_TEST_ALL_PREFIXES(SyncerProtoUtilTest, AddRequestBirthday);
-  FRIEND_TEST_ALL_PREFIXES(SyncerProtoUtilTest, PostAndProcessHeaders);
-  FRIEND_TEST_ALL_PREFIXES(SyncerProtoUtilTest, VerifyResponseBirthday);
-  FRIEND_TEST_ALL_PREFIXES(SyncerProtoUtilTest, HandleThrottlingNoDatatypes);
-  FRIEND_TEST_ALL_PREFIXES(SyncerProtoUtilTest, HandleThrottlingWithDatatypes);
-
-  DISALLOW_COPY_AND_ASSIGN(SyncerProtoUtil);
-};
-
-}  // namespace browser_sync
-
-#endif  // CHROME_BROWSER_SYNC_ENGINE_SYNCER_PROTO_UTIL_H_