sync: Introduce classes for per-type counters

sync/engine/directory_type_debug_info_emitter.cc

Index: sync/engine/directory_type_debug_info_emitter.cc
diff --git a/sync/engine/directory_type_debug_info_emitter.cc b/sync/engine/directory_type_debug_info_emitter.cc
deleted file mode 100644
index 678878668ba8517de1e526f87c75c276117c1259..0000000000000000000000000000000000000000
--- a/sync/engine/directory_type_debug_info_emitter.cc
+++ /dev/null
@@ -1,26 +0,0 @@
-// 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_type_debug_info_emitter.h"
-
-#include "sync/syncable/syncable_read_transaction.h"
-
-namespace syncer {
-
-DirectoryTypeDebugInfoEmitter::DirectoryTypeDebugInfoEmitter(
-    syncable::Directory* directory,
-    syncer::ModelType type)
-    : directory_(directory),
-      type_(type) {}
-
-DirectoryTypeDebugInfoEmitter::~DirectoryTypeDebugInfoEmitter() {}
-
-scoped_ptr<base::ListValue> DirectoryTypeDebugInfoEmitter::GetAllNodes() {
-  syncable::ReadTransaction trans(FROM_HERE, directory_);
-  scoped_ptr<base::ListValue> nodes(
-      directory_->GetNodeDetailsForType(&trans, type_));
-  return nodes.Pass();
-}
-
-}  // namespace syncer