Replace DCHECK(BrowserThread::CurrentlyOn) with DCHECK_CURRENTLY_ON in extensions.

chrome/browser/extensions/api/file_system/file_system_api.cc

Index: chrome/browser/extensions/api/file_system/file_system_api.cc
diff --git a/chrome/browser/extensions/api/file_system/file_system_api.cc b/chrome/browser/extensions/api/file_system/file_system_api.cc
index b01b0bea01bd4ff989ddf4f2a71259b4fddea62a..2e4d2e2f993d18c594479f0f25fbf4348a9f3ba7 100644
--- a/chrome/browser/extensions/api/file_system/file_system_api.cc
+++ b/chrome/browser/extensions/api/file_system/file_system_api.cc
@@ -284,7 +284,7 @@ FileSystemEntryFunction::FileSystemEntryFunction()
 
 void FileSystemEntryFunction::CheckWritableFiles(
     const std::vector<base::FilePath>& paths) {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   app_file_handler_util::CheckWritableFiles(
       paths,
       GetProfile(),
@@ -297,7 +297,7 @@ void FileSystemEntryFunction::CheckWritableFiles(
 
 void FileSystemEntryFunction::RegisterFileSystemsAndSendResponse(
     const std::vector<base::FilePath>& paths) {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   if (!render_view_host_)
     return;
 
@@ -346,7 +346,7 @@ void FileSystemEntryFunction::AddEntryToResponse(
 
 void FileSystemEntryFunction::HandleWritableFileError(
     const base::FilePath& error_path) {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   error_ = base::StringPrintf(kWritableFileErrorFormat,
                               error_path.BaseName().AsUTF8Unsafe().c_str());
   SendResponse(false);
@@ -383,7 +383,7 @@ bool FileSystemGetWritableEntryFunction::RunImpl() {
 }
 
 void FileSystemGetWritableEntryFunction::CheckPermissionAndSendResponse() {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   if (is_directory_ &&
       !extension_->HasAPIPermission(APIPermission::kFileSystemDirectory)) {
     error_ = kRequiresFileSystemDirectoryError;
@@ -395,7 +395,7 @@ void FileSystemGetWritableEntryFunction::CheckPermissionAndSendResponse() {
 }
 
 void FileSystemGetWritableEntryFunction::SetIsDirectoryOnFileThread() {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::FILE));
+  DCHECK_CURRENTLY_ON(content::BrowserThread::FILE);
   if (base::DirectoryExists(path_)) {
     is_directory_ = true;
   }
@@ -639,7 +639,7 @@ void FileSystemChooseEntryFunction::RegisterTempExternalFileSystemForTest(
 void FileSystemChooseEntryFunction::SetInitialPathOnFileThread(
     const base::FilePath& suggested_name,
     const base::FilePath& previous_path) {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::FILE));
+  DCHECK_CURRENTLY_ON(content::BrowserThread::FILE);
   if (!previous_path.empty() && base::DirectoryExists(previous_path)) {
     initial_path_ = previous_path.Append(suggested_name);
   } else {