Speed up SimpleCache eviction set computation

net/disk_cache/simple/simple_index.h

Index: net/disk_cache/simple/simple_index.h
diff --git a/net/disk_cache/simple/simple_index.h b/net/disk_cache/simple/simple_index.h
index 7758d91362ab14882989e9ee19e05628fe108d53..c72243e50c61e6f6a8c62bd062dd172d6a24f624 100644
--- a/net/disk_cache/simple/simple_index.h
+++ b/net/disk_cache/simple/simple_index.h
@@ -175,6 +175,7 @@ class NET_EXPORT_PRIVATE SimpleIndex
   FRIEND_TEST_ALL_PREFIXES(SimpleIndexTest, DiskWriteQueued);
   FRIEND_TEST_ALL_PREFIXES(SimpleIndexTest, DiskWriteExecuted);
   FRIEND_TEST_ALL_PREFIXES(SimpleIndexTest, DiskWritePostponed);
+  FRIEND_TEST_ALL_PREFIXES(SimpleIndexPerfTest, EvictionPerformance);

[pasko, 2017/03/31 17:41:56]

It would be more readable to introduce a public
SimpleIndex::InsertEntryForTesting() and avoid this friendship. Do we need it
for something else?

[Maks Orlovich, 2017/03/31 19:01:29]

Great idea, done. Also lets me avoid being in the disk_cache namespace for the
test.

 
   void StartEvictionIfNeeded();
   void EvictionDone(int result);