sync: add InternalComponentsFactory::Switches to simplify passing switches to internal components.

sync/internal_api/internal_components_factory_impl.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.
 
 #include "sync/internal_api/public/internal_components_factory_impl.h"
 
+#include "sync/engine/backoff_delay_provider.h"
 #include "sync/engine/syncer.h"
 #include "sync/engine/sync_scheduler_impl.h"
 #include "sync/sessions/sync_session_context.h"
 #include "sync/syncable/on_disk_directory_backing_store.h"
 
+using base::TimeDelta;
+
 namespace syncer {
 
-InternalComponentsFactoryImpl::InternalComponentsFactoryImpl() { }
+InternalComponentsFactoryImpl::InternalComponentsFactoryImpl(
+    const Switches& switches) : switches_(switches) {
+}
+
 InternalComponentsFactoryImpl::~InternalComponentsFactoryImpl() { }
 
 scoped_ptr<SyncScheduler> InternalComponentsFactoryImpl::BuildScheduler(
     const std::string& name, sessions::SyncSessionContext* context) {
+
+  scoped_ptr<BackoffDelayProvider> delay(BackoffDelayProvider::FromDefaults());
+
+  if (switches_.backoff_override == BACKOFF_SHORT_INITIAL_RETRY_OVERRIDE)

[rlarocque, 2012/08/14 19:54:07]

nit: Again, I think this would be nicer as an if/else (or even a switch).

+    delay.reset(BackoffDelayProvider::WithShortInitialRetryOverride());
+
   return scoped_ptr<SyncScheduler>(
-      new SyncSchedulerImpl(name, context, new Syncer()));
+      new SyncSchedulerImpl(name, delay.release(), context, new Syncer()));
 }
 
 scoped_ptr<sessions::SyncSessionContext>
 InternalComponentsFactoryImpl::BuildContext(
     ServerConnectionManager* connection_manager,
     syncable::Directory* directory,
     const std::vector<ModelSafeWorker*> workers,
     ExtensionsActivityMonitor* monitor,
     ThrottledDataTypeTracker* throttled_data_type_tracker,
     const std::vector<SyncEngineEventListener*>& listeners,
     sessions::DebugInfoGetter* debug_info_getter,
-    TrafficRecorder* traffic_recorder,
-    bool keystore_encryption_enabled) {
+    TrafficRecorder* traffic_recorder) {
   return scoped_ptr<sessions::SyncSessionContext>(
       new sessions::SyncSessionContext(
           connection_manager, directory, workers, monitor,
           throttled_data_type_tracker, listeners, debug_info_getter,
           traffic_recorder,
-          keystore_encryption_enabled));
+          switches_.encryption_method == ENCRYPTION_KEYSTORE));
 }
 
 scoped_ptr<syncable::DirectoryBackingStore>
 InternalComponentsFactoryImpl::BuildDirectoryBackingStore(
       const std::string& dir_name, const FilePath& backing_filepath) {
   return scoped_ptr<syncable::DirectoryBackingStore>(
       new syncable::OnDiskDirectoryBackingStore(dir_name, backing_filepath));
 }
 
+InternalComponentsFactory::Switches
+InternalComponentsFactoryImpl::GetSwitches() const {
+  return switches_;
+}
+
 }  // namespace syncer