Index: ui/display/types/display_mode.h |
diff --git a/ui/display/types/display_mode.h b/ui/display/types/display_mode.h |
index 95bb3bb98de69b2644d2df2e52edc9c6d37a0b1d..53fc0adb3c2117d34b5b120c8fa85aadda654583 100644 |
--- a/ui/display/types/display_mode.h |
+++ b/ui/display/types/display_mode.h |
@@ -6,6 +6,7 @@ |
#define UI_DISPLAY_TYPES_DISPLAY_MODE_H_ |
#include <memory> |
+#include <ostream> |
#include <string> |
#include "base/macros.h" |
@@ -36,6 +37,9 @@ class DISPLAY_TYPES_EXPORT DisplayMode { |
DISALLOW_COPY_AND_ASSIGN(DisplayMode); |
}; |
+// Used to by gtest to print readable errors. |
+DISPLAY_TYPES_EXPORT void PrintTo(const DisplayMode& mode, std::ostream* os); |
+ |
} // namespace ui |
#endif // UI_DISPLAY_TYPES_DISPLAY_MODE_H_ |