1 files changed, 0 insertions, 7 deletions
diff --git a/chrome/browser/banners/app_banner_metrics.h b/chrome/browser/banners/app_banner_metrics.h
index 0b0939e..7c78179 100644
--- a/chrome/browser/banners/app_banner_metrics.h
+++ b/chrome/browser/banners/app_banner_metrics.h
@@ -57,16 +57,9 @@ enum UserResponse {
   USER_RESPONSE_MAX = 7,
 };
 
-extern const char kDismissEventHistogram[];
-extern const char kDisplayEventHistogram[];
-extern const char kInstallEventHistogram[];
-extern const char kMinutesHistogram[];
-extern const char kUserResponseHistogram[];
-
 void TrackDismissEvent(int event);
 void TrackDisplayEvent(int event);
 void TrackInstallEvent(int event);
-void TrackMinutesFromFirstVisitToBannerShown(int minutes);
 void TrackUserResponse(int event);
 
 };  // namespace banners