Index: chrome/browser/chromeos/device_uma.h |
diff --git a/chrome/browser/chromeos/device_uma.h b/chrome/browser/chromeos/device_uma.h |
index e26d41a982f845a44b355a6b0734002b6f59dc62..d6c16d6c6094209e78a9e3463d42c4fac0d86580 100644 |
--- a/chrome/browser/chromeos/device_uma.h |
+++ b/chrome/browser/chromeos/device_uma.h |
@@ -8,7 +8,9 @@ |
#include "base/basictypes.h" |
#include "ui/events/platform/platform_event_observer.h" |
+namespace base { |
template <typename T> struct DefaultSingletonTraits; |
+} |
namespace chromeos { |
@@ -22,7 +24,7 @@ class DeviceUMA : public ui::PlatformEventObserver { |
void Stop(); |
private: |
- friend struct DefaultSingletonTraits<DeviceUMA>; |
+ friend struct base::DefaultSingletonTraits<DeviceUMA>; |
DeviceUMA(); |
~DeviceUMA() override; |