[Sync] Clean up sync logging

chrome/browser/sync/engine/syncapi.h

 // 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.
 
 // This file defines the "sync API", an interface to the syncer
 // backend that exposes (1) the core functionality of maintaining a consistent
 // local snapshot of a hierarchical object set; (2) a means to transactionally
 // access and modify those objects; (3) a means to control client/server
 // synchronization tasks, namely: pushing local object modifications to a
 // server, pulling nonlocal object modifications from a server to this client,
@@ skipping 848 matching lines @@
     virtual void OnEncryptionComplete(
         const syncable::ModelTypeSet& encrypted_types) = 0;
 
    protected:
     virtual ~Observer();
   };
 
   typedef Callback0::Type ModeChangeCallback;
 
   // Create an uninitialized SyncManager.  Callers must Init() before using.
-  SyncManager();
+  explicit SyncManager(const std::string& name);
   virtual ~SyncManager();
 
   // Initialize the sync manager.  |database_location| specifies the path of
   // the directory in which to locate a sqlite repository storing the syncer
   // backend state. Initialization will open the database, or create it if it
   // does not already exist. Returns false on failure.
   // |sync_server_and_path| and |sync_server_port| represent the Chrome sync
   // server to use, and |use_ssl| specifies whether to communicate securely;
   // the default is false.
   // |post_factory| will be owned internally and used to create
@@ skipping 206 matching lines @@
  private:
   // An opaque pointer to the nested private class.
   SyncInternal* data_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncManager);
 };
 
 }  // namespace sync_api
 
 #endif  // CHROME_BROWSER_SYNC_ENGINE_SYNCAPI_H_