Index: net/disk_cache/v3/backend_worker.cc |
diff --git a/net/disk_cache/v3/backend_worker.cc b/net/disk_cache/v3/backend_worker.cc |
index be12a96eebedbd19b32fe545eba807a1b26044b4..6de0dcda3f66bfddf6d32bea74c2e5b1ea542d7f 100644 |
--- a/net/disk_cache/v3/backend_worker.cc |
+++ b/net/disk_cache/v3/backend_worker.cc |
@@ -27,8 +27,9 @@ |
#include "net/disk_cache/experiments.h" |
#include "net/disk_cache/file.h" |
-// This has to be defined before including histogram_macros.h from this file. |
-#define NET_DISK_CACHE_BACKEND_IMPL_CC_ |
+// Define BLOCKFILE_BACKEND_IMPL_OBJ to be a disk_cache::BackendImpl* in order |
+// to use the CACHE_UMA histogram macro. |
+#define BLOCKFILE_BACKEND_IMPL_OBJ this |
#include "net/disk_cache/histogram_macros.h" |
using base::Time; |