Rename BrowserThread::IsWellKnownThread to IsThreadInitialized.

chrome/browser/history/shortcuts_backend.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/history/shortcuts_backend.h"
 
 #include <map>
 #include <string>
 #include <vector>
 
@@ skipping 248 matching lines @@
           it->second.number_of_hits + 1));
       return;
     }
   }
   AddShortcut(Shortcut(base::GenerateGUID(), log->text, match.destination_url,
       match.contents, match.contents_class, match.description,
       match.description_class, base::Time::Now(), 1));
 }
 
 void ShortcutsBackend::ShutdownOnUIThread() {
-  DCHECK(!BrowserThread::IsWellKnownThread(BrowserThread::UI) ||
+  DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::UI) ||
          BrowserThread::CurrentlyOn(BrowserThread::UI));
   notification_registrar_.RemoveAll();
 }
 
 }  // namespace history