Index: ash/display/display_manager_unittest.cc |
diff --git a/ash/display/display_manager_unittest.cc b/ash/display/display_manager_unittest.cc |
index 2b5364561731dfd67a37ed0f32d347cb2bb252a0..e4305fa00286d2336a71221037c8b353f07c581d 100644 |
--- a/ash/display/display_manager_unittest.cc |
+++ b/ash/display/display_manager_unittest.cc |
@@ -23,6 +23,8 @@ namespace internal { |
using std::vector; |
using std::string; |
+using base::StringPrintf; |
+ |
class DisplayManagerTest : public test::AshTestBase, |
public gfx::DisplayObserver, |
public aura::WindowObserver { |