favor DCHECK_CURRENTLY_ON for better logs in chromecast/

chromecast/browser/devtools/remote_debugging_server.cc

Index: chromecast/browser/devtools/remote_debugging_server.cc
diff --git a/chromecast/browser/devtools/remote_debugging_server.cc b/chromecast/browser/devtools/remote_debugging_server.cc
index 0591644863725415c91ea4c682df05815dddacdc..29aa7d8980adff5a828b8280a464882ba4c32554 100644
--- a/chromecast/browser/devtools/remote_debugging_server.cc
+++ b/chromecast/browser/devtools/remote_debugging_server.cc
@@ -110,7 +110,7 @@ std::string GetFrontendUrl() {
 }  // namespace
 
 RemoteDebuggingServer::RemoteDebuggingServer() : port_(0) {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   pref_port_.Init(prefs::kRemoteDebuggingPort,
                   CastBrowserProcess::GetInstance()->pref_service(),
                   base::Bind(&RemoteDebuggingServer::OnPortChanged,