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

sync/engine/commit.cc

 // 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.
 
 #include "sync/engine/commit.h"
 
 #include "base/debug/trace_event.h"
 #include "sync/engine/build_commit_command.h"
 #include "sync/engine/get_commit_ids_command.h"
 #include "sync/engine/process_commit_response_command.h"
 #include "sync/engine/syncer_proto_util.h"
 #include "sync/sessions/sync_session.h"
 #include "sync/syncable/mutable_entry.h"
 #include "sync/syncable/write_transaction.h"
 
-using syncable::SYNCER;
-using syncable::WriteTransaction;
-
 namespace syncer {
 
 using sessions::SyncSession;
 using sessions::StatusController;
+using syncable::SYNCER;
+using syncable::WriteTransaction;
 
 namespace {
 
 // Sets the SYNCING bits of all items in the commit set to value_to_set.
 void SetAllSyncingBitsToValue(WriteTransaction* trans,
                               const sessions::OrderedCommitSet& commit_set,
                               bool value_to_set) {
   const std::vector<syncable::Id>& commit_ids = commit_set.GetAllCommitIds();
   for (std::vector<syncable::Id>::const_iterator it = commit_ids.begin();
        it != commit_ids.end(); ++it) {
@@ skipping 117 matching lines @@
                                 sessions::SyncSession* session) {
   sessions::OrderedCommitSet commit_set(session->routing_info());
   SyncerError result = BuildAndPostCommitsImpl(syncer, session, &commit_set);
   if (result != SYNCER_OK) {
     ClearSyncingBits(session->context()->directory(), commit_set);
   }
   return result;
 }
 
 }  // namespace syncer