USS SyncContextProxy / data type activation refactoring

chrome/browser/sync/glue/sync_backend_host_impl.cc

 // Copyright 2013 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/glue/sync_backend_host_impl.h"
 
 #include "base/command_line.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 434 matching lines @@
   DCHECK(syncer::Intersection(active_types, inactive_types).Empty());
   return syncer::Difference(active_types, types_to_download);
 }
 
 void SyncBackendHostImpl::EnableEncryptEverything() {
   registrar_->sync_thread()->task_runner()->PostTask(
       FROM_HERE,
       base::Bind(&SyncBackendHostCore::DoEnableEncryptEverything, core_.get()));
 }
 
-void SyncBackendHostImpl::ActivateDataType(
-    syncer::ModelType type, syncer::ModelSafeGroup group,
+void SyncBackendHostImpl::ActivateDirectoryDataType(
+    syncer::ModelType type,
+    syncer::ModelSafeGroup group,
     sync_driver::ChangeProcessor* change_processor) {
   registrar_->ActivateDataType(type, group, change_processor, GetUserShare());
 }
 
-void SyncBackendHostImpl::DeactivateDataType(syncer::ModelType type) {
+void SyncBackendHostImpl::DeactivateDirectoryDataType(syncer::ModelType type) {
   registrar_->DeactivateDataType(type);
 }
 
+void SyncBackendHostImpl::ActivateNonBlockingDataType(
+    syncer::ModelType type,
+    scoped_ptr<syncer_v2::ActivationContext> activation_context) {
+  sync_context_proxy_->ConnectTypeToSync(type, activation_context.Pass());
+}
+
+void SyncBackendHostImpl::DeactivateNonBlockingDataType(
+    syncer::ModelType type) {
+  sync_context_proxy_->Disconnect(type);
+}
+
 syncer::UserShare* SyncBackendHostImpl::GetUserShare() const {
   return core_->sync_manager()->GetUserShare();
 }
 
 scoped_ptr<syncer_v2::SyncContextProxy>
 SyncBackendHostImpl::GetSyncContextProxy() {
   return sync_context_proxy_.get() ? scoped_ptr<syncer_v2::SyncContextProxy>(
                                          sync_context_proxy_->Clone())
                                    : scoped_ptr<syncer_v2::SyncContextProxy>();
 }
@@ skipping 422 matching lines @@
     const syncer::SyncManager::ClearServerDataCallback& frontend_callback) {
   DCHECK(ui_thread_->BelongsToCurrentThread());
   frontend_callback.Run();
 }
 
 }  // namespace browser_sync
 
 #undef SDVLOG
 
 #undef SLOG