Index: components/browser_sync/signin_confirmation_helper.h |
diff --git a/components/browser_sync/signin_confirmation_helper.h b/components/browser_sync/signin_confirmation_helper.h |
index 27bd62ef1bf02c1a293f0cc464c5509c8a173267..c006653df91703f2e1b4fbdd77a0b9dc2697e231 100644 |
--- a/components/browser_sync/signin_confirmation_helper.h |
+++ b/components/browser_sync/signin_confirmation_helper.h |
@@ -11,6 +11,10 @@ |
#include "base/memory/ref_counted.h" |
#include "base/task/cancelable_task_tracker.h" |
+namespace base { |
+class SingleThreadTaskRunner; |
+} |
+ |
namespace history { |
class HistoryService; |
class QueryResults; |