[Sync] Avoid unregistering object IDs on shutdown

sync/internal_api/test/fake_sync_manager.cc

Index: sync/internal_api/test/fake_sync_manager.cc
diff --git a/sync/internal_api/test/fake_sync_manager.cc b/sync/internal_api/test/fake_sync_manager.cc
index 894a953bb8f8e34c0ffd66af7be3ced70c6f9f4c..5e6f6de1fb606e93b1302bb085ed07449d150380 100644
--- a/sync/internal_api/test/fake_sync_manager.cc
+++ b/sync/internal_api/test/fake_sync_manager.cc
@@ -9,6 +9,7 @@
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/logging.h"
+#include "base/run_loop.h"
 #include "base/sequenced_task_runner.h"
 #include "base/single_thread_task_runner.h"
 #include "base/thread_task_runner_handle.h"
@@ -21,22 +22,15 @@
 
 namespace syncer {
 
-FakeSyncManager::FakeSyncManager() {}
+FakeSyncManager::FakeSyncManager(ModelTypeSet initial_sync_ended_types,
+                                 ModelTypeSet progress_marker_types,
+                                 ModelTypeSet configure_fail_types) :
+    initial_sync_ended_types_(initial_sync_ended_types),
+    progress_marker_types_(progress_marker_types),
+    configure_fail_types_(configure_fail_types) {}
 
 FakeSyncManager::~FakeSyncManager() {}
 
-void FakeSyncManager::set_initial_sync_ended_types(ModelTypeSet types) {
-  initial_sync_ended_types_ = types;
-}
-
-void FakeSyncManager::set_progress_marker_types(ModelTypeSet types) {
-  progress_marker_types_ = types;
-}
-
-void FakeSyncManager::set_configure_fail_types(ModelTypeSet types) {
-  configure_fail_types_ = types;
-}
-
 ModelTypeSet FakeSyncManager::GetAndResetCleanedTypes() {
   ModelTypeSet cleaned_types = cleaned_types_;
   cleaned_types_.Clear();
@@ -85,6 +79,23 @@ void FakeSyncManager::DisableNotifications(
   }
 }
 
+namespace {
+
+void DoNothing() {}
+
+}  // namespace
+
+void FakeSyncManager::WaitForSyncThread() {
+  base::RunLoop run_loop;
+  if (!sync_task_runner_->PostTaskAndReply(
+      FROM_HERE,
+      base::Bind(&DoNothing),
+      run_loop.QuitClosure())) {
+    NOTREACHED();
+  }
+  run_loop.Run();
+}
+
 bool FakeSyncManager::Init(
     const FilePath& database_location,
     const WeakHandle<JsEventHandler>& event_handler,
@@ -150,9 +161,14 @@ void FakeSyncManager::UpdateEnabledTypes(const ModelTypeSet& types) {
   enabled_types_ = types;
 }
 
+void FakeSyncManager::SetInvalidationHandler(
+    const std::string& handler_name, SyncNotifierObserver* handler) {
+  notifier_helper_.SetHandler(handler_name, handler);
+}
+
 void FakeSyncManager::UpdateRegisteredInvalidationIds(
-    SyncNotifierObserver* handler, const ObjectIdSet& ids) {
-  notifier_helper_.UpdateRegisteredIds(handler, ids);
+    const std::string& handler_name, const ObjectIdSet& ids) {
+  notifier_helper_.UpdateRegisteredIds(handler_name, ids);
 }
 
 void FakeSyncManager::StartSyncingNormally(