Make us save favicon in incognito mode if the url is bookmarked. This

chrome/browser/history/history.cc

 // Copyright (c) 2010 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 339 matching lines @@
       for (size_t i = 0; i < add_page_args.redirects.size() - 1; i++)
         visited_links->AddURL(add_page_args.redirects[i]);
     }
   }
 
   ScheduleAndForget(PRIORITY_NORMAL, &HistoryBackend::AddPage,
                     scoped_refptr<history::HistoryAddPageArgs>(
                         add_page_args.Clone()));
 }
 
+void HistoryService::AddPageNoVisit(const GURL& url) {
+  if (!CanAddURL(url))
+    return;
+
+  ScheduleAndForget(PRIORITY_NORMAL, &HistoryBackend::AddPageNoVisit, url);
+}
+
 void HistoryService::SetPageTitle(const GURL& url,
                                   const string16& title) {
   ScheduleAndForget(PRIORITY_NORMAL, &HistoryBackend::SetPageTitle, url, title);
 }
 
 void HistoryService::AddPageWithDetails(const GURL& url,
                                         const string16& title,
                                         int visit_count,
                                         int typed_count,
                                         Time last_visit,
@@ skipping 428 matching lines @@
     history::TopSites* ts = profile_->GetTopSitesWithoutCreating();
     if (ts)
       ts->MigrateFromHistory();
   }
 }
 
 void HistoryService::OnTopSitesReady() {
   ScheduleAndForget(PRIORITY_NORMAL,
                     &HistoryBackend::MigrateThumbnailsDatabase);
 }