NO CODE CHANGE.

chrome/browser/history/history.cc

 // Copyright (c) 2006-2008 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.
 
 // The history system runs on a background thread so that potentially slow
 // database operations don't delay the browser. This backend processing is
 // represented by HistoryBackend. The HistoryService's job is to dispatch to
 // that thread.
 //
 // Main thread                       History thread
@@ skipping 81 matching lines @@
   MessageLoop* message_loop_;
 };
 
 // static
 const history::StarID HistoryService::kBookmarkBarID = 1;
 
 HistoryService::HistoryService()
     : thread_(new ChromeThread(ChromeThread::HISTORY)),
       profile_(NULL),
       backend_loaded_(false) {
-  if (NotificationService::current()) {  // Is NULL when running generate_profile.
+  // Is NULL when running generate_profile.
+  if (NotificationService::current()) {
     NotificationService::current()->AddObserver(
         this, NotificationType::HISTORY_URLS_DELETED,
         Source<Profile>(profile_));
   }
 }
 
 HistoryService::HistoryService(Profile* profile)
     : thread_(new ChromeThread(ChromeThread::HISTORY)),
       profile_(profile),
       backend_loaded_(false) {
   NotificationService::current()->AddObserver(
       this, NotificationType::HISTORY_URLS_DELETED, Source<Profile>(profile_));
 }
 
 HistoryService::~HistoryService() {
   // Shutdown the backend. This does nothing if Cleanup was already invoked.
   Cleanup();
 
   // Unregister for notifications.
-  if (NotificationService::current()) {  // Is NULL when running generate_profile.
+  // Is NULL when running generate_profile.
+  if (NotificationService::current()) {
     NotificationService::current()->RemoveObserver(
         this, NotificationType::HISTORY_URLS_DELETED,
         Source<Profile>(profile_));
   }
 }
 
 bool HistoryService::Init(const FilePath& history_dir,
                           BookmarkService* bookmark_service) {
   if (!thread_->Start())
     return false;
@@ skipping 525 matching lines @@
   NotificationService::current()->Notify(type, source, det);
 }
 
 void HistoryService::OnDBLoaded() {
   LOG(INFO) << "History backend finished loading";
   backend_loaded_ = true;
   NotificationService::current()->Notify(NotificationType::HISTORY_LOADED,
                                          Source<Profile>(profile_),
                                          Details<HistoryService>(this));
 }