sync: Expose DirectoryDebugInfoEmitters in engine

sync/engine/directory_update_handler.cc

 // Copyright 2014 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/engine/directory_update_handler.h"
 
 #include "sync/engine/conflict_resolver.h"
 #include "sync/engine/process_updates_util.h"
 #include "sync/engine/update_applicator.h"
-#include "sync/sessions/status_controller.h"
+#include "sync/sessions/directory_type_debug_info_emitter.h"
 #include "sync/syncable/directory.h"
 #include "sync/syncable/syncable_model_neutral_write_transaction.h"
 #include "sync/syncable/syncable_write_transaction.h"
 
 namespace syncer {
 
 using syncable::SYNCER;
 
 DirectoryUpdateHandler::DirectoryUpdateHandler(
     syncable::Directory* dir,
     ModelType type,
-    scoped_refptr<ModelSafeWorker> worker)
+    scoped_refptr<ModelSafeWorker> worker,
+    DirectoryTypeDebugInfoEmitter* debug_info_emitter)
   : dir_(dir),
     type_(type),
-    worker_(worker) {}
+    worker_(worker),
+    debug_info_emitter_(debug_info_emitter) {}
 
 DirectoryUpdateHandler::~DirectoryUpdateHandler() {}
 
 void DirectoryUpdateHandler::GetDownloadProgress(
     sync_pb::DataTypeProgressMarker* progress_marker) const {
   dir_->GetDownloadProgress(type_, progress_marker);
 }
 
 void DirectoryUpdateHandler::GetDataTypeContext(
     sync_pb::DataTypeContext* context) const {
@@ skipping 191 matching lines @@
               new_gc_directive.version_watermark())) {
     ExpireEntriesByVersion(dir_, trans, type_,
                            new_gc_directive.version_watermark());
   }
 
   cached_gc_directive_.reset(
       new sync_pb::GarbageCollectionDirective(new_gc_directive));
 }
 
 }  // namespace syncer