[Sync] Fix namespaces for the sync_bookmarks component.

components/browser_sync/browser/profile_sync_service_bookmark_unittest.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.
 
 // TODO(akalin): This file is basically just a unit test for
 // BookmarkChangeProcessor.  Write unit tests for
 // BookmarkModelAssociator separately.
 
 #include <stddef.h>
 #include <stdint.h>
@@ skipping 42 matching lines @@
 #include "components/sync/syncable/syncable_id.h"
 #include "components/sync/syncable/syncable_util.h"
 #include "components/sync/syncable/syncable_write_transaction.h"
 #include "components/sync_bookmarks/bookmark_change_processor.h"
 #include "components/sync_bookmarks/bookmark_model_associator.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using bookmarks::BookmarkModel;
 using bookmarks::BookmarkNode;
+using sync_bookmarks::BookmarkChangeProcessor;
+using sync_bookmarks::BookmarkModelAssociator;
 using syncer::BaseNode;
 using testing::_;
 using testing::Return;
 using testing::StrictMock;
 
 namespace browser_sync {
 
 namespace {
 
 #if defined(OS_ANDROID) || defined(OS_IOS)
@@ skipping 2517 matching lines @@
   EXPECT_EQ(syncer::kInvalidId, sync_id);
 
   // Verify that Sync ignores deleting this node.
   model()->Remove(node);
   EXPECT_EQ(sync_bookmark_count, GetSyncBookmarkCount());
 }
 
 }  // namespace
 
 }  // namespace browser_sync