Index: components/drive/chromeos/file_system.h |
diff --git a/components/drive/chromeos/file_system.h b/components/drive/chromeos/file_system.h |
index 1c5d01b530614345b6413b57ea317ad1b5b30274..b5bd6a52c878d9792bc99595f518bb4691c19281 100644 |
--- a/components/drive/chromeos/file_system.h |
+++ b/components/drive/chromeos/file_system.h |
@@ -12,6 +12,7 @@ |
#include <vector> |
#include "base/macros.h" |
+#include "base/memory/ref_counted.h" |
#include "base/memory/weak_ptr.h" |
#include "base/observer_list.h" |
#include "base/threading/thread_checker.h" |
@@ -24,6 +25,7 @@ class PrefService; |
namespace base { |
class SequencedTaskRunner; |
+class SingleThreadTaskRunner; |
} // namespace base |
namespace google_apis { |