favor DCHECK_CURRENTLY_ON for better logs in chrome/browser/autocomplete,banners,background

chrome/browser/bitmap_fetcher/bitmap_fetcher.cc

Index: chrome/browser/bitmap_fetcher/bitmap_fetcher.cc
diff --git a/chrome/browser/bitmap_fetcher/bitmap_fetcher.cc b/chrome/browser/bitmap_fetcher/bitmap_fetcher.cc
index e5d189a1f438745aa0da7c359ef62a012113b0ae..5c6ddc7d431d24abadc62b7a35ad40d5f69e44fc 100644
--- a/chrome/browser/bitmap_fetcher/bitmap_fetcher.cc
+++ b/chrome/browser/bitmap_fetcher/bitmap_fetcher.cc
@@ -37,7 +37,7 @@ void BitmapFetcher::Start(net::URLRequestContextGetter* request_context,
 // Methods inherited from URLFetcherDelegate.
 
 void BitmapFetcher::OnURLFetchComplete(const net::URLFetcher* source) {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 
   if (source->GetStatus().status() != net::URLRequestStatus::SUCCESS) {
     ReportFailure();