Replace DCHECK(BrowserThread::CurrentlyOn) with DCHECK_CURRENTLY_ON in extensions.

chrome/browser/extensions/extension_messages_apitest.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 "base/base64.h"
 #include "base/files/file_path.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/path_service.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 759 matching lines @@
     base::JSONWriter::Write(&jwk_value, &tls_channel_id_value);
     return tls_channel_id_value;
   }
 
  private:
   void CreateDomainBoundCertOnIOThread(
       std::string* domain_bound_private_key,
       std::string* domain_bound_cert,
       net::ServerBoundCertService::RequestHandle* request_handle,
       scoped_refptr<net::URLRequestContextGetter> request_context_getter) {
-    DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
+    DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
     net::ServerBoundCertService* server_bound_cert_service =
         request_context_getter->GetURLRequestContext()->
             server_bound_cert_service();
     int status = server_bound_cert_service->GetOrCreateDomainBoundCert(
         chromium_org_url().host(),
         domain_bound_private_key,
         domain_bound_cert,
         base::Bind(&ExternallyConnectableMessagingWithTlsChannelIdTest::
                    GotDomainBoundCert,
                    base::Unretained(this)),
@@ skipping 174 matching lines @@
   ui_test_utils::NavigateToURL(browser(), chromium_org_url());
   EXPECT_EQ(COULD_NOT_ESTABLISH_CONNECTION_ERROR ,
             CanConnectAndSendMessagesToMainFrame("invalid"));
 }
 
 #endif  // !defined(OS_WIN) - http://crbug.com/350517.
 
 }  // namespace
 
 };  // namespace extensions