favor DCHECK_CURRENTLY_ON for better logs in content/browser/[q-z]*

content/browser/webui/url_data_source_impl.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 "content/browser/webui/url_data_source_impl.h"
 
 #include "base/bind.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/strings/string_util.h"
 #include "content/browser/webui/url_data_manager_backend.h"
@@ skipping 33 matching lines @@
   }
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::Bind(&URLDataSourceImpl::SendResponseOnIOThread, this, request_id,
                  bytes_ptr));
 }
 
 void URLDataSourceImpl::SendResponseOnIOThread(
     int request_id,
     scoped_refptr<base::RefCountedMemory> bytes) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
   if (backend_)
     backend_->DataAvailable(request_id, bytes.get());
 }
 
 }  // namespace content