Fix missing thumbnails for new profile with TopSites.

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 631 matching lines @@
   ScheduleAndForget(PRIORITY_UI, &HistoryBackend::ScheduleAutocomplete,
                     scoped_refptr<HistoryURLProvider>(provider), params);
 }
 
 void HistoryService::ScheduleTask(SchedulePriority priority,
                                   Task* task) {
   // FIXME(brettw) do prioritization.
   thread_->message_loop()->PostTask(FROM_HERE, task);
 }
 
-bool HistoryService::CanAddURL(const GURL& url) const {
+// static
+bool HistoryService::CanAddURL(const GURL& url) {
   if (!url.is_valid())
     return false;
 
   // TODO: We should allow kChromeUIScheme URLs if they have been explicitly
   // typed.  Right now, however, these are marked as typed even when triggered
   // by a shortcut or menu action.
   if (url.SchemeIs(chrome::kJavaScriptScheme) ||
       url.SchemeIs(chrome::kChromeUIScheme) ||
       url.SchemeIs(chrome::kViewSourceScheme) ||
       url.SchemeIs(chrome::kChromeInternalScheme))
@@ skipping 89 matching lines @@
 
 void HistoryService::StartTopSitesMigration() {
   history::TopSites* ts = profile_->GetTopSites();
   ts->StartMigration();
 }
 
 void HistoryService::OnTopSitesReady() {
   ScheduleAndForget(PRIORITY_NORMAL,
                     &HistoryBackend::MigrateThumbnailsDatabase);
 }