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

sync/test/engine/syncer_command_test.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/test/engine/syncer_command_test.h"
 
 namespace syncer {
 
 const unsigned int kMaxMessages = 10;
 const unsigned int kMaxMessageSize = 5 * 1024;
 
 SyncerCommandTestBase::SyncerCommandTestBase()
     : traffic_recorder_(kMaxMessages, kMaxMessageSize) {
 }
 
 SyncerCommandTestBase::~SyncerCommandTestBase() {
 }
 
 void SyncerCommandTestBase::SetUp() {
   ResetContext();
   // The session always expects there to be a passive worker.
   workers()->push_back(
       make_scoped_refptr(new FakeModelWorker(GROUP_PASSIVE)));
 }
 
 void SyncerCommandTestBase::TearDown() {
 }
 
-Directory* SyncerCommandTest::directory() {
+syncable::Directory* SyncerCommandTest::directory() {
   return dir_maker_.directory();
 }
 
 void SyncerCommandTest::SetUp() {
   dir_maker_.SetUp();
   SyncerCommandTestBase::SetUp();
 }
 
 void SyncerCommandTest::TearDown() {
   dir_maker_.TearDown();
@@ skipping 12 matching lines @@
 MockDirectorySyncerCommandTest::~MockDirectorySyncerCommandTest() {
 }
 
 void MockDirectorySyncerCommandTest::SetUp() {
   // The session always expects there to be a passive worker.
   workers()->push_back(
       make_scoped_refptr(new FakeModelWorker(GROUP_PASSIVE)));
   ResetContext();
 }
 
-Directory* MockDirectorySyncerCommandTest::directory() {
+syncable::Directory* MockDirectorySyncerCommandTest::directory() {
   return &mock_directory_;
 }
 
 }  // namespace syncer