[Sync] Clean up sync logging

chrome/browser/sync/glue/sync_backend_host.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.
 
 #ifndef CHROME_BROWSER_SYNC_GLUE_SYNC_BACKEND_HOST_H_
 #define CHROME_BROWSER_SYNC_GLUE_SYNC_BACKEND_HOST_H_
 #pragma once
 
 #include <map>
 #include <string>
@@ skipping 252 matching lines @@
   // TODO(akalin): Write unit tests for the JsBackend, finding a way
   // to make this class testable in general.
 
  protected:
   // The real guts of SyncBackendHost, to keep the public client API clean.
   class Core : public base::RefCountedThreadSafe<SyncBackendHost::Core>,
                public sync_api::SyncManager::Observer,
                public JsBackend,
                public JsEventRouter {
    public:
-    explicit Core(SyncBackendHost* backend);
+    Core(const std::string& name, SyncBackendHost* backend);
 
     // SyncManager::Observer implementation.  The Core just acts like an air
     // traffic controller here, forwarding incoming messages to appropriate
     // landing threads.
     virtual void OnChangesApplied(
         syncable::ModelType model_type,
         const sync_api::BaseTransaction* trans,
         const sync_api::SyncManager::ChangeRecord* changes,
         int change_count);
     virtual void OnChangesComplete(syncable::ModelType model_type);
@@ skipping 372 matching lines @@
 
   // Whether we've processed the initialization complete callback.
   bool syncapi_initialized_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncBackendHost);
 };
 
 }  // namespace browser_sync
 
 #endif  // CHROME_BROWSER_SYNC_GLUE_SYNC_BACKEND_HOST_H_