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

chrome/browser/chromeos/drive/write_on_cache_file.cc

Index: chrome/browser/chromeos/drive/write_on_cache_file.cc
diff --git a/chrome/browser/chromeos/drive/write_on_cache_file.cc b/chrome/browser/chromeos/drive/write_on_cache_file.cc
index 367cc048a32363df5f45cb8091d3634bd261eac6..340cf4eae153b4985825b7da4b6add0b43c516e4 100644
--- a/chrome/browser/chromeos/drive/write_on_cache_file.cc
+++ b/chrome/browser/chromeos/drive/write_on_cache_file.cc
@@ -36,7 +36,7 @@ void WriteOnCacheFileAfterOpenFile(
     FileError error,
     const base::FilePath& local_cache_path,
     const base::Closure& close_callback) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   BrowserThread::GetBlockingPool()->PostTaskAndReply(
       FROM_HERE,
@@ -59,7 +59,7 @@ void WriteOnCacheFileAndReply(FileSystemInterface* file_system,
                               const std::string& mime_type,
                               const WriteOnCacheFileCallback& callback,
                               const FileOperationCallback& reply) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
   DCHECK(file_system);
   DCHECK(!callback.is_null());
   DCHECK(!reply.is_null());