[SyncFS] Wire up LocalChangeProcessor to SyncTask

chrome/browser/sync_file_system/drive_backend/remote_to_local_syncer.cc

Index: chrome/browser/sync_file_system/drive_backend/remote_to_local_syncer.cc
diff --git a/chrome/browser/sync_file_system/drive_backend/remote_to_local_syncer.cc b/chrome/browser/sync_file_system/drive_backend/remote_to_local_syncer.cc
index b4c560da1fc7e5a8a4503f3a325274b8bed6dea3..1481f486a21e3569446f4984fbefcf7b01367933 100644
--- a/chrome/browser/sync_file_system/drive_backend/remote_to_local_syncer.cc
+++ b/chrome/browser/sync_file_system/drive_backend/remote_to_local_syncer.cc
@@ -6,12 +6,14 @@
 
 #include "base/callback.h"
 #include "base/logging.h"
+#include "chrome/browser/sync_file_system/drive_backend/sync_engine_context.h"
 
 namespace sync_file_system {
 namespace drive_backend {
 
-RemoteToLocalSyncer::RemoteToLocalSyncer() {
-  NOTIMPLEMENTED();
+RemoteToLocalSyncer::RemoteToLocalSyncer(SyncEngineContext* sync_context)
+    : sync_context_(sync_context),
+      weak_ptr_factory_(this) {
 }
 
 RemoteToLocalSyncer::~RemoteToLocalSyncer() {
@@ -23,5 +25,18 @@ void RemoteToLocalSyncer::Run(const SyncStatusCallback& callback) {
   callback.Run(SYNC_STATUS_FAILED);
 }
 
+drive::DriveServiceInterface* RemoteToLocalSyncer::drive_service() {
+  return sync_context_->GetDriveService();
+}
+
+MetadataDatabase* RemoteToLocalSyncer::metadata_database() {
+  return sync_context_->GetMetadataDatabase();
+}
+
+RemoteChangeProcessor* RemoteToLocalSyncer::remote_change_processor() {
+  DCHECK(sync_context_->GetRemoteChangeProcessor());
+  return sync_context_->GetRemoteChangeProcessor();
+}
+
 }  // namespace drive_backend
 }  // namespace sync_file_system