favor DCHECK_CURRENTLY_ON for better logs in components/

components/nacl/browser/nacl_file_host.cc

Index: components/nacl/browser/nacl_file_host.cc
diff --git a/components/nacl/browser/nacl_file_host.cc b/components/nacl/browser/nacl_file_host.cc
index 2410e11bd50099f10f6ef739d3f72c33852273a3..f3849108b172cc35629c4f1b0d1ff9eeb9c3092c 100644
--- a/components/nacl/browser/nacl_file_host.cc
+++ b/components/nacl/browser/nacl_file_host.cc
@@ -49,7 +49,7 @@ void DoRegisterOpenedNaClExecutableFile(
     IPC::Message* reply_msg,
     WriteFileInfoReply write_reply_message) {
   // IO thread owns the NaClBrowser singleton.
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
   nacl::NaClBrowser* nacl_browser = nacl::NaClBrowser::GetInstance();
   uint64 file_token_lo = 0;