sync: Remove TrafficRecorder

sync/engine/traffic_recorder.h

-// Copyright 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.
-
-#ifndef CHROME_BROWSER_SYNC_ENGINE_TRAFFIC_RECORDER_H_
-#define CHROME_BROWSER_SYNC_ENGINE_TRAFFIC_RECORDER_H_
-
-#include <deque>
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/gtest_prod_util.h"
-#include "base/time/time.h"
-#include "base/values.h"
-#include "sync/base/sync_export.h"
-#include "sync/protocol/sync.pb.h"
-
-namespace sync_pb {
-class ClientToServerResponse;
-class ClientToServerMessage;
-}
-
-namespace syncer {
-
-class SYNC_EXPORT_PRIVATE TrafficRecorder {
- public:
-  enum TrafficMessageType {
-    CLIENT_TO_SERVER_MESSAGE,
-    CLIENT_TO_SERVER_RESPONSE,
-    UNKNOWN_MESSAGE_TYPE
-  };
-
-  struct SYNC_EXPORT_PRIVATE TrafficRecord {
-    // The serialized message.
-    std::string message;
-    TrafficMessageType message_type;
-    // If the message is too big to be kept in memory then it should be
-    // truncated. For now the entire message is omitted if it is too big.
-    // TODO(lipalani): Truncate the specifics to fit within size.
-    bool truncated;
-
-    TrafficRecord(const std::string& message,
-                  TrafficMessageType message_type,
-                  bool truncated,
-                  base::Time time);
-    TrafficRecord();
-    ~TrafficRecord();
-    base::DictionaryValue* ToValue() const;
-
-    // Time of record creation.
-    base::Time timestamp;
-  };
-
-  TrafficRecorder(unsigned int max_messages, unsigned int max_message_size);
-  virtual ~TrafficRecorder();
-
-  void RecordClientToServerMessage(const sync_pb::ClientToServerMessage& msg);
-  void RecordClientToServerResponse(
-      const sync_pb::ClientToServerResponse& response);
-  base::ListValue* ToValue() const;
-
-  const std::deque<TrafficRecord>& records() {
-    return records_;
-  }
-
- private:
-  void AddTrafficToQueue(TrafficRecord* record);
-  void StoreProtoInQueue(const ::google::protobuf::MessageLite& msg,
-                         TrafficMessageType type);
-
-  // Method to get record creation time.
-  virtual base::Time GetTime();
-
-  // Maximum number of messages stored in the queue.
-  unsigned int max_messages_;
-
-  // Maximum size of each message.
-  unsigned int max_message_size_;
-  std::deque<TrafficRecord> records_;
-  DISALLOW_COPY_AND_ASSIGN(TrafficRecorder);
-};
-
-}  // namespace syncer
-
-#endif  // CHROME_BROWSER_SYNC_ENGINE_TRAFFIC_RECORDER_H_
-