[Sync] Move 'sync' target to sync/

chrome/browser/sync/util/extensions_activity_monitor.h

-// 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.
-
-#ifndef CHROME_BROWSER_SYNC_UTIL_EXTENSIONS_ACTIVITY_MONITOR_H_
-#define CHROME_BROWSER_SYNC_UTIL_EXTENSIONS_ACTIVITY_MONITOR_H_
-#pragma once
-
-#include <map>
-#include <string>
-
-#include "base/basictypes.h"
-
-namespace browser_sync {
-
-// An interface to monitor usage of extensions APIs to send to sync
-// servers, with the ability to purge data once sync servers have
-// acknowledged it (successful commit response).
-//
-// All abstract methods are called from the sync thread.
-class ExtensionsActivityMonitor {
- public:
-  // A data record of activity performed by extension |extension_id|.
-  struct Record {
-    Record();
-    ~Record();
-
-    // The human-readable ID identifying the extension responsible
-    // for the activity reported in this Record.
-    std::string extension_id;
-
-    // How many times the extension successfully invoked a write
-    // operation through the bookmarks API since the last CommitMessage.
-    uint32 bookmark_write_count;
-  };
-
-  typedef std::map<std::string, Record> Records;
-
-  // Fill |buffer| with all current records and then clear the
-  // internal records.
-  virtual void GetAndClearRecords(Records* buffer) = 0;
-
-  // Merge |records| with the current set of records, adding the
-  // bookmark write counts for common Records.
-  virtual void PutRecords(const Records& records) = 0;
-
- protected:
-  virtual ~ExtensionsActivityMonitor();
-};
-
-}  // namespace browser_sync
-
-#endif  // CHROME_BROWSER_SYNC_UTIL_EXTENSIONS_ACTIVITY_MONITOR_H_