Revert 194347

net/disk_cache/simple/simple_util.h

Index: net/disk_cache/simple/simple_util.h
===================================================================
--- net/disk_cache/simple/simple_util.h	(revision 194371)
+++ net/disk_cache/simple/simple_util.h	(working copy)
@@ -14,23 +14,6 @@
 
 namespace simple_util {
 
-NET_EXPORT_PRIVATE std::string ConvertEntryHashKeyToHexString(uint64 hash_key);
-
-// |key| is the regular cache key, such as an URL.
-// Returns the Hex ascii representation of the uint64 hash_key.
-NET_EXPORT_PRIVATE std::string GetEntryHashKeyAsHexString(
-    const std::string& key);
-
-// |key| is the regular HTTP Cache key, which is a URL.
-// Returns the hash of the key as uint64.
-NET_EXPORT_PRIVATE uint64 GetEntryHashKey(const std::string& key);
-
-// Parses the |hash_key| string into a uint64 buffer.
-// |hash_key| string must be of the form: FFFFFFFFFFFFFFFF .
-NET_EXPORT_PRIVATE bool GetEntryHashKeyFromHexString(
-    const std::string& hash_key,
-    uint64* hash_key_out);
-
 // Given a |key| for a (potential) entry in the simple backend and the |index|
 // of a stream on that entry, returns the filename in which that stream would be
 // stored.