Calculate the size of all cache entries between two points in time.

net/disk_cache/disk_cache_test_base.h

Index: net/disk_cache/disk_cache_test_base.h
diff --git a/net/disk_cache/disk_cache_test_base.h b/net/disk_cache/disk_cache_test_base.h
index c94f5ac82ed0b3f9980d54d6899ce28bfea75a54..a0208e23605c895727c8fb0b6da42a19231ad525 100644
--- a/net/disk_cache/disk_cache_test_base.h
+++ b/net/disk_cache/disk_cache_test_base.h
@@ -131,6 +131,8 @@ class DiskCacheTestWithCache : public DiskCacheTest {
   int DoomEntriesBetween(const base::Time initial_time,
                          const base::Time end_time);
   int CalculateSizeOfAllEntries();
+  int CalculateSizeOfEntriesBetween(const base::Time initial_time,
+                                    const base::Time end_time);
   int DoomEntriesSince(const base::Time initial_time);
   std::unique_ptr<TestIterator> CreateIterator();
   void FlushQueueForTest();