Index: net/disk_cache/rankings.cc |
diff --git a/net/disk_cache/rankings.cc b/net/disk_cache/rankings.cc |
index ff9913e252aea37d54a9f62876255374a4e68a98..3ddbcf8d64d2d8b3f61f01091fb3c4f626f99ee6 100644 |
--- a/net/disk_cache/rankings.cc |
+++ b/net/disk_cache/rankings.cc |
@@ -12,6 +12,9 @@ |
#include "net/disk_cache/histogram_macros.h" |
#include "net/disk_cache/stress_support.h" |
+// Provide a BackendImpl object to macros from histogram_macros.h. |
+#define CACHE_UMA_BACKEND_IMPL_OBJ backend_ |
+ |
using base::Time; |
using base::TimeTicks; |