sync: Refactor per-datatype throttling

sync/internal_api/public/engine/sync_status.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/engine/sync_status.h"
+
+namespace sync_api {
+
+SyncStatus::SyncStatus()
+    : notifications_enabled(false),
+      notifications_received(0),
+      encryption_conflicts(0),
+      hierarchy_conflicts(0),
+      simple_conflicts(0),
+      server_conflicts(0),
+      committed_count(0),
+      syncing(false),
+      initial_sync_ended(false),
+      updates_available(0),
+      updates_received(0),
+      reflected_updates_received(0),
+      tombstone_updates_received(0),
+      num_commits_total(0),
+      num_local_overwrites_total(0),
+      num_server_overwrites_total(0),
+      nonempty_get_updates(0),
+      empty_get_updates(0),
+      sync_cycles_with_commits(0),
+      sync_cycles_without_commits(0),
+      useless_sync_cycles(0),
+      useful_sync_cycles(0),
+      cryptographer_ready(false),
+      crypto_has_pending_keys(false) {
+}
+
+SyncStatus::~SyncStatus() {
+}
+
+}  // namespace sync_api