Revert of [sync] Replace FakeServer's implementation with LoopbackServer invocations.

components/sync/test/fake_server/bookmark_entity_builder.h

 // Copyright 2014 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 COMPONENTS_SYNC_TEST_FAKE_SERVER_BOOKMARK_ENTITY_BUILDER_H_
 #define COMPONENTS_SYNC_TEST_FAKE_SERVER_BOOKMARK_ENTITY_BUILDER_H_
 
 #include <memory>
 #include <string>
 
 #include "components/sync/base/model_type.h"
-#include "components/sync/engine_impl/loopback_server/loopback_server_entity.h"
+#include "components/sync/test/fake_server/fake_server_entity.h"
 #include "url/gurl.h"
 
 namespace fake_server {
 
 // Builder for BookmarkEntity objects.
 class BookmarkEntityBuilder {
  public:
   BookmarkEntityBuilder(const std::string& title,
                         const std::string& originator_cache_guid,
                         const std::string& originator_client_item_id);
 
   BookmarkEntityBuilder(const BookmarkEntityBuilder& other);
 
   ~BookmarkEntityBuilder();
 
   // Sets the parent ID of the bookmark to be built. If this is not called,
   // the bookmark will be included in the bookmarks bar.
   void SetParentId(const std::string& parent_id);
 
-  // Builds and returns a LoopbackServerEntity representing a bookmark. Returns
-  // null if the entity could not be built.
-  std::unique_ptr<syncer::LoopbackServerEntity> BuildBookmark(const GURL& url);
+  // Builds and returns a FakeServerEntity representing a bookmark. Returns null
+  // if the entity could not be built.
+  std::unique_ptr<FakeServerEntity> BuildBookmark(const GURL& url);
 
-  // Builds and returns a LoopbackServerEntity representing a bookmark folder.
+  // Builds and returns a FakeServerEntity representing a bookmark folder.
   // Returns null if the entity could not be built.
-  std::unique_ptr<syncer::LoopbackServerEntity> BuildFolder();
+  std::unique_ptr<FakeServerEntity> BuildFolder();
 
  private:
   // Creates an EntitySpecifics and pre-populates its BookmarkSpecifics with
   // the entity's title.
   sync_pb::EntitySpecifics CreateBaseEntitySpecifics() const;
 
-  // Builds the parts of a LoopbackServerEntity common to both normal bookmarks
-  // and folders.
-  std::unique_ptr<syncer::LoopbackServerEntity> Build(
+  // Builds the parts of a FakeServerEntity common to both normal bookmarks and
+  // folders.
+  std::unique_ptr<FakeServerEntity> Build(
       const sync_pb::EntitySpecifics& entity_specifics,
       bool is_folder);
 
   // The bookmark entity's title. This value is also used as the entity's name.
   const std::string title_;
 
   // Information that associates the bookmark with its original client.
   const std::string originator_cache_guid_;
   const std::string originator_client_item_id_;
 
   // The ID of the parent bookmark folder.
   std::string parent_id_;
 };
 
 }  // namespace fake_server
 
 #endif  // COMPONENTS_SYNC_TEST_FAKE_SERVER_BOOKMARK_ENTITY_BUILDER_H_