[Sync] Make ModelSafeWorker a true interface

chrome/browser/sync/engine/mock_model_safe_workers.cc

-// Copyright (c) 2011 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 "chrome/browser/sync/engine/mock_model_safe_workers.h"
-
-namespace browser_sync {
-
-ModelSafeGroup MockUIModelWorker::GetModelSafeGroup() { return GROUP_UI; }
-
-ModelSafeGroup MockDBModelWorker::GetModelSafeGroup() { return GROUP_DB; }
-
-ModelSafeGroup MockFileModelWorker::GetModelSafeGroup() { return GROUP_FILE; }
-
-MockModelSafeWorkerRegistrar::~MockModelSafeWorkerRegistrar() {}
-
-// static
-MockModelSafeWorkerRegistrar*
-    MockModelSafeWorkerRegistrar::PassiveBookmarks() {
-  ModelSafeRoutingInfo routes;
-  routes[syncable::BOOKMARKS] = GROUP_PASSIVE;
-  MockModelSafeWorkerRegistrar* m = new MockModelSafeWorkerRegistrar(routes);
-  m->passive_worker_ = new ModelSafeWorker();
-  return m;
-}
-
-MockModelSafeWorkerRegistrar* MockModelSafeWorkerRegistrar::PassiveForTypes(
-    const syncable::ModelTypeBitSet& set) {
-  ModelSafeRoutingInfo routes;
-  for (int i = syncable::UNSPECIFIED ; i < syncable::MODEL_TYPE_COUNT; ++i) {
-      syncable::ModelType type = syncable::ModelTypeFromInt(i);
-      if (set[type]) {
-        routes[type] = GROUP_PASSIVE;
-      }
-  }
-  MockModelSafeWorkerRegistrar* m = new MockModelSafeWorkerRegistrar(routes);
-  m->passive_worker_ = new ModelSafeWorker();
-  return m;
-}
-
-
-void MockModelSafeWorkerRegistrar::GetWorkers(
-    std::vector<ModelSafeWorker*>* out) {
-  if (passive_worker_.get())
-    out->push_back(passive_worker_.get());
-}
-
-void MockModelSafeWorkerRegistrar::GetModelSafeRoutingInfo(
-    ModelSafeRoutingInfo* out) {
-  *out = routes_;
-}
-
-MockModelSafeWorkerRegistrar::MockModelSafeWorkerRegistrar(
-    const ModelSafeRoutingInfo& routes) {
-  routes_ = routes;
-}
-
-}  // namespace browser_sync