Index: chrome/browser/upgrade_detector_impl.h |
diff --git a/chrome/browser/upgrade_detector_impl.h b/chrome/browser/upgrade_detector_impl.h |
index 848e1b151337e482468cdfaf6884509e08dbcf80..f5a5a1c21b3c3ffcc0fb9bfc3fbb033eb5b49550 100644 |
--- a/chrome/browser/upgrade_detector_impl.h |
+++ b/chrome/browser/upgrade_detector_impl.h |
@@ -11,7 +11,9 @@ |
#include "chrome/browser/upgrade_detector.h" |
#include "components/variations/service/variations_service.h" |
+namespace base { |
template <typename T> struct DefaultSingletonTraits; |
+} |
class UpgradeDetectorImpl : public UpgradeDetector, |
public variations::VariationsService::Observer { |
@@ -37,7 +39,7 @@ class UpgradeDetectorImpl : public UpgradeDetector, |
void NotifyOnUpgradeWithTimePassed(base::TimeDelta time_passed); |
private: |
- friend struct DefaultSingletonTraits<UpgradeDetectorImpl>; |
+ friend struct base::DefaultSingletonTraits<UpgradeDetectorImpl>; |
// Start the timer that will call |CheckForUpgrade()|. |
void StartTimerForUpgradeCheck(); |