[chrome/browser/extensions] Replace MessageLoopProxy usage with ThreadTaskRunnerHandle

chrome/browser/extensions/blacklist_state_fetcher.cc

 // Copyright 2013 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/extensions/blacklist_state_fetcher.h"
 
 #include "base/stl_util.h"
 #include "base/strings/stringprintf.h"
+#include "base/thread_task_runner_handle.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/safe_browsing/protocol_manager_helper.h"
 #include "chrome/browser/safe_browsing/safe_browsing_service.h"
 #include "chrome/common/safe_browsing/crx_info.pb.h"
 #include "google_apis/google_api_keys.h"
 #include "net/base/escape.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "net/url_request/url_request_status.h"
 #include "url/gurl.h"
@@ skipping 62 matching lines @@
 }
 
 void BlacklistStateFetcher::Request(const std::string& id,
                                     const RequestCallback& callback) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   if (!safe_browsing_config_) {
     if (g_browser_process && g_browser_process->safe_browsing_service()) {
       SetSafeBrowsingConfig(
           g_browser_process->safe_browsing_service()->GetProtocolConfig());
     } else {
-      base::MessageLoopProxy::current()->PostTask(
+      base::ThreadTaskRunnerHandle::Get()->PostTask(
           FROM_HERE, base::Bind(callback, BLACKLISTED_UNKNOWN));
       return;
     }
   }
 
   bool request_already_sent = ContainsKey(callbacks_, id);
   callbacks_.insert(std::make_pair(id, callback));
   if (request_already_sent)
     return;
 
@@ skipping 118 matching lines @@
        callback_it != range.second;
        ++callback_it) {
     callback_it->second.Run(state);
   }
 
   callbacks_.erase(range.first, range.second);
 }
 
 }  // namespace extensions