[Sync] Move sync/{internal_api,syncable} into syncer namespace

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 SYNC_ENGINE_SYNCER_PROTO_UTIL_H_
 #define SYNC_ENGINE_SYNCER_PROTO_UTIL_H_
 #pragma once
 
 #include <string>
 
 #include "base/gtest_prod_util.h"
 #include "base/time.h"
 #include "sync/internal_api/public/syncable/model_type.h"
 #include "sync/internal_api/public/util/syncer_error.h"
 #include "sync/sessions/sync_session.h"
 #include "sync/syncable/blob.h"
 
-namespace syncable {
-class Directory;
-class Entry;
-}  // namespace syncable
-
 namespace sync_pb {
 class ClientToServerResponse;
 class EntitySpecifics;
-}  // namespace sync_pb
+}
 
 namespace syncer {
 
-namespace sessions {
-class SyncProtocolError;
-class SyncSessionContext;
-}
-
 class ClientToServerMessage;
 class ThrottledDataTypeTracker;
 class ServerConnectionManager;
 class SyncEntity;
 class CommitResponse_EntryResponse;
 
+namespace sessions {
+class SyncProtocolError;
+class SyncSessionContext;
+}
+
+namespace syncable {
+class Directory;
+class Entry;
+}
+
 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);
 
@@ skipping 80 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(SyncerProtoUtilTest, VerifyResponseBirthday);
   FRIEND_TEST_ALL_PREFIXES(SyncerProtoUtilTest, HandleThrottlingNoDatatypes);
   FRIEND_TEST_ALL_PREFIXES(SyncerProtoUtilTest, HandleThrottlingWithDatatypes);
 
   DISALLOW_COPY_AND_ASSIGN(SyncerProtoUtil);
 };
 
 }  // namespace syncer
 
 #endif  // SYNC_ENGINE_SYNCER_PROTO_UTIL_H_