Initialize the simple cache backend at runtime.

net/disk_cache/backend_impl.h

 // Copyright (c) 2012 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.
 
 // See net/disk_cache/disk_cache.h for the public interface of the cache.
 
 #ifndef NET_DISK_CACHE_BACKEND_IMPL_H_
 #define NET_DISK_CACHE_BACKEND_IMPL_H_
 
 #include "base/files/file_path.h"
@@ skipping 31 matching lines @@
 class NET_EXPORT_PRIVATE BackendImpl : public Backend {
   friend class Eviction;
  public:
   BackendImpl(const base::FilePath& path, base::MessageLoopProxy* cache_thread,
               net::NetLog* net_log);
   // mask can be used to limit the usable size of the hash table, for testing.
   BackendImpl(const base::FilePath& path, uint32 mask,
               base::MessageLoopProxy* cache_thread, net::NetLog* net_log);
   virtual ~BackendImpl();
 
-  // Returns a new backend with the desired flags. See the declaration of
-  // CreateCacheBackend().
-  static int CreateBackend(const base::FilePath& full_path, bool force,
-                           int max_bytes, net::CacheType type,
-                           uint32 flags, base::MessageLoopProxy* thread,
-                           net::NetLog* net_log, Backend** backend,
-                           const CompletionCallback& callback);
-
   // Performs general initialization for this current instance of the cache.
   int Init(const CompletionCallback& callback);
 
   // Performs the actual initialization and final cleanup on destruction.
   int SyncInit();
   void CleanupCache();
 
   // Same behavior as OpenNextEntry but walks the list from back to front.
   int OpenPrevEntry(void** iter, Entry** prev_entry,
                     const CompletionCallback& callback);
@@ skipping 324 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(BackendImpl);
 };
 
 // Returns the preferred max cache size given the available disk space.
 NET_EXPORT_PRIVATE int PreferedCacheSize(int64 available);
 
 }  // namespace disk_cache
 
 #endif  // NET_DISK_CACHE_BACKEND_IMPL_H_