Remove void** from disk_cache interface.

net/disk_cache/tracing/tracing_cache_backend.h

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NET_DISK_CACHE_TRACING_TRACING_CACHE_BACKEND_H_
 #define NET_DISK_CACHE_TRACING_TRACING_CACHE_BACKEND_H_
 
 #include <map>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 20 matching lines @@
   virtual int CreateEntry(const std::string& key, Entry** entry,
                           const CompletionCallback& callback) OVERRIDE;
   virtual int DoomEntry(const std::string& key,
                         const CompletionCallback& callback) OVERRIDE;
   virtual int DoomAllEntries(const CompletionCallback& callback) OVERRIDE;
   virtual int DoomEntriesBetween(base::Time initial_time,
                                  base::Time end_time,
                                  const CompletionCallback& callback) OVERRIDE;
   virtual int DoomEntriesSince(base::Time initial_time,
                                const CompletionCallback& callback) OVERRIDE;
-  virtual int OpenNextEntry(void** iter, Entry** next_entry,
+  virtual int OpenNextEntry(Iterator* iter, Entry** next_entry,
                             const CompletionCallback& callback) OVERRIDE;
-  virtual void EndEnumeration(void** iter) OVERRIDE;
   virtual void GetStats(StatsItems* stats) OVERRIDE;
   virtual void OnExternalCacheHit(const std::string& key) OVERRIDE;
 
  private:
   friend class EntryProxy;
   enum Operation {
     OP_OPEN,
     OP_CREATE,
     OP_DOOM_ENTRY,
     OP_READ,
@@ skipping 21 matching lines @@
   scoped_ptr<Backend> backend_;
   typedef std::map<Entry*, EntryProxy*> EntryToProxyMap;
   EntryToProxyMap open_entries_;
 
   DISALLOW_COPY_AND_ASSIGN(TracingCacheBackend);
 };
 
 }  // namespace disk_cache
 
 #endif  // NET_DISK_CACHE_TRACING_TRACING_CACHE_BACKEND_H_