Simplify threading in browser thread by making only ChromeThread deal with di...

chrome/browser/browsing_data_remover.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.
 
 #include "chrome/browser/browsing_data_remover.h"
 
 #include "chrome/browser/chrome_thread.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/download/download_manager.h"
 #include "chrome/browser/history/history.h"
@@ skipping 209 matching lines @@
 
   NotifyAndDeleteIfDone();
 }
 
 void BrowsingDataRemover::ClearCacheOnIOThread(
     URLRequestContextGetter* context_getter,
     base::Time delete_begin,
     base::Time delete_end,
     MessageLoop* ui_loop) {
   // This function should be called on the IO thread.
-  DCHECK(MessageLoop::current() ==
-         ChromeThread::GetMessageLoop(ChromeThread::IO));
+  DCHECK(ChromeThread::CurrentlyOn(ChromeThread::IO));
 
   // Get a pointer to the cache.
   net::HttpTransactionFactory* factory =
       context_getter->GetURLRequestContext()->http_transaction_factory();
   disk_cache::Backend* cache = factory->GetCache()->disk_cache();
 
   // |cache| can be null since it is lazily initialized, in this case we do
   // nothing.
   if (cache) {
     if (delete_begin.is_null())
@@ skipping 13 matching lines @@
     if (delete_begin.is_null())
       cache->DoomAllEntries();
     else
       cache->DoomEntriesBetween(delete_begin, delete_end);
   }
 
   // Notify the UI thread that we are done.
   ui_loop->PostTask(FROM_HERE, NewRunnableMethod(
       this, &BrowsingDataRemover::ClearedCache));
 }