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

chrome/browser/chromeos/drive/file_system/download_operation.cc

Index: chrome/browser/chromeos/drive/file_system/download_operation.cc
diff --git a/chrome/browser/chromeos/drive/file_system/download_operation.cc b/chrome/browser/chromeos/drive/file_system/download_operation.cc
index 8c0f165f376d7e445cbea60465ec3922daed642d..1aeb5e7a2c19db7d682a4bd81319315222406c42 100644
--- a/chrome/browser/chromeos/drive/file_system/download_operation.cc
+++ b/chrome/browser/chromeos/drive/file_system/download_operation.cc
@@ -360,7 +360,7 @@ base::Closure DownloadOperation::EnsureFileDownloadedByLocalId(
     const GetFileContentInitializedCallback& initialized_callback,
     const google_apis::GetContentCallback& get_content_callback,
     const GetFileCallback& completion_callback) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
   DCHECK(!completion_callback.is_null());
 
   CheckPreconditionForEnsureFileDownloadedParams params;
@@ -401,7 +401,7 @@ base::Closure DownloadOperation::EnsureFileDownloadedByPath(
     const GetFileContentInitializedCallback& initialized_callback,
     const google_apis::GetContentCallback& get_content_callback,
     const GetFileCallback& completion_callback) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
   DCHECK(!completion_callback.is_null());
 
   CheckPreconditionForEnsureFileDownloadedParams params;
@@ -442,7 +442,7 @@ void DownloadOperation::EnsureFileDownloadedAfterCheckPreCondition(
     base::FilePath* cache_file_path,
     base::FilePath* temp_download_file_path,
     FileError error) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
   DCHECK(params);
   DCHECK(drive_file_path);
   DCHECK(cache_file_path);
@@ -489,7 +489,7 @@ void DownloadOperation::EnsureFileDownloadedAfterDownloadFile(
     scoped_ptr<DownloadParams> params,
     google_apis::DriveApiErrorCode gdata_error,
     const base::FilePath& downloaded_file_path) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   DownloadParams* params_ptr = params.get();
   ResourceEntry* entry_after_update = new ResourceEntry;
@@ -519,7 +519,7 @@ void DownloadOperation::EnsureFileDownloadedAfterUpdateLocalState(
     scoped_ptr<ResourceEntry> entry_after_update,
     base::FilePath* cache_file_path,
     FileError error) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   if (error != FILE_ERROR_OK) {
     params->OnError(error);