favor DCHECK_CURRENTLY_ON for better logs in chrome/browser/chromeos/

chrome/browser/chromeos/camera_detector.cc

Index: chrome/browser/chromeos/camera_detector.cc
diff --git a/chrome/browser/chromeos/camera_detector.cc b/chrome/browser/chromeos/camera_detector.cc
index 2bb2a62a8491ac28503f3f520b19d07824c8af0d..8c5deff523ffc56495834d6fc9edd725b92ba7c6 100644
--- a/chrome/browser/chromeos/camera_detector.cc
+++ b/chrome/browser/chromeos/camera_detector.cc
@@ -41,7 +41,7 @@ bool CameraDetector::presence_check_in_progress_ = false;
 
 // static
 void CameraDetector::StartPresenceCheck(const base::Closure& callback) {
-  DCHECK(BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   if (presence_check_in_progress_)
     return;
   DVLOG(1) << "Starting camera presence check";
@@ -57,7 +57,7 @@ void CameraDetector::StartPresenceCheck(const base::Closure& callback) {
 // static
 void CameraDetector::OnPresenceCheckDone(const base::Closure& callback,
                                          bool present) {
-  DCHECK(BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   camera_presence_ = present ? kCameraPresent : kCameraAbsent;
   presence_check_in_progress_ = false;
   callback.Run();