[Sync] Move ChangeRecord into its own file (change_record.{h,cc})

chrome/browser/sync/internal_api/change_record.cc

+// Copyright (c) 2011 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 "chrome/browser/sync/internal_api/change_record.h"
+
+#include "base/string_number_conversions.h"
+#include "base/values.h"
+#include "chrome/browser/sync/internal_api/base_node.h"
+#include "chrome/browser/sync/internal_api/read_node.h"
+#include "chrome/browser/sync/protocol/proto_value_conversions.h"
+
+namespace sync_api {
+
+ChangeRecord::ChangeRecord()
+    : id(kInvalidId), action(ACTION_ADD) {}
+
+ChangeRecord::~ChangeRecord() {}
+
+DictionaryValue* ChangeRecord::ToValue(const BaseTransaction* trans) const {
+  DictionaryValue* value = new DictionaryValue();
+  std::string action_str;
+  switch (action) {
+    case ACTION_ADD:
+      action_str = "Add";
+      break;
+    case ACTION_DELETE:
+      action_str = "Delete";
+      break;
+    case ACTION_UPDATE:
+      action_str = "Update";
+      break;
+    default:
+      NOTREACHED();
+      action_str = "Unknown";
+      break;
+  }
+  value->SetString("action", action_str);
+  Value* node_value = NULL;
+  if (action == ACTION_DELETE) {
+    DictionaryValue* node_dict = new DictionaryValue();
+    node_dict->SetString("id", base::Int64ToString(id));
+    node_dict->Set("specifics",
+                    browser_sync::EntitySpecificsToValue(specifics));
+    if (extra.get()) {
+      node_dict->Set("extra", extra->ToValue());
+    }
+    node_value = node_dict;
+  } else {
+    ReadNode node(trans);
+    if (node.InitByIdLookup(id)) {
+      node_value = node.GetDetailsAsValue();
+    }
+  }
+  if (!node_value) {
+    NOTREACHED();
+    node_value = Value::CreateNullValue();
+  }
+  value->Set("node", node_value);
+  return value;
+}
+
+ExtraPasswordChangeRecordData::ExtraPasswordChangeRecordData() {}
+
+ExtraPasswordChangeRecordData::ExtraPasswordChangeRecordData(
+    const sync_pb::PasswordSpecificsData& data)
+    : unencrypted_(data) {
+}
+
+ExtraPasswordChangeRecordData::~ExtraPasswordChangeRecordData() {}
+
+DictionaryValue* ExtraPasswordChangeRecordData::ToValue() const {
+  return browser_sync::PasswordSpecificsDataToValue(unencrypted_);
+}
+
+const sync_pb::PasswordSpecificsData&
+    ExtraPasswordChangeRecordData::unencrypted() const {
+  return unencrypted_;
+}
+
+}  // namespace sync_api
+