Revert 51858 - Disk cache: Switch the disk cache to use the cache_thread. ...

net/disk_cache/entry_impl.h

 // Copyright (c) 2006-2010 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_ENTRY_IMPL_H_
 #define NET_DISK_CACHE_ENTRY_IMPL_H_
 
 #include "base/scoped_ptr.h"
 #include "net/disk_cache/disk_cache.h"
 #include "net/disk_cache/storage_block.h"
@@ skipping 35 matching lines @@
   virtual int ReadSparseData(int64 offset, net::IOBuffer* buf, int buf_len,
                              net::CompletionCallback* completion_callback);
   virtual int WriteSparseData(int64 offset, net::IOBuffer* buf, int buf_len,
                               net::CompletionCallback* completion_callback);
   virtual int GetAvailableRange(int64 offset, int len, int64* start,
                                 CompletionCallback* callback);
   virtual bool CouldBeSparse() const;
   virtual void CancelSparseIO();
   virtual int ReadyForSparseIO(net::CompletionCallback* completion_callback);
 
-  // Background implementation of the Entry interface.
-  void DoomImpl();
-  int ReadDataImpl(int index, int offset, net::IOBuffer* buf, int buf_len,
-                   CompletionCallback* callback);
-  int WriteDataImpl(int index, int offset, net::IOBuffer* buf, int buf_len,
-                    CompletionCallback* callback, bool truncate);
-  int ReadSparseDataImpl(int64 offset, net::IOBuffer* buf, int buf_len,
-                         CompletionCallback* callback);
-  int WriteSparseDataImpl(int64 offset, net::IOBuffer* buf, int buf_len,
-                          CompletionCallback* callback);
-  int GetAvailableRangeImpl(int64 offset, int len, int64* start);
-  void CancelSparseIOImpl();
-  int ReadyForSparseIOImpl(CompletionCallback* callback);
-
   inline CacheEntryBlock* entry() {
     return &entry_;
   }
 
   inline CacheRankingsBlock* rankings() {
     return &node_;
   }
 
   uint32 GetHash();
 
@@ skipping 113 matching lines @@
 
   // Logs this entry to the internal trace buffer.
   void Log(const char* msg);
 
   CacheEntryBlock entry_;     // Key related information for this entry.
   CacheRankingsBlock node_;   // Rankings related information for this entry.
   BackendImpl* backend_;      // Back pointer to the cache.
   scoped_array<char> user_buffers_[kNumStreams];  // Store user data.
   // Files to store external user data and key.
   scoped_refptr<File> files_[kNumStreams + 1];
-  mutable std::string key_;           // Copy of the key.
+  // Copy of the file used to store the key. We don't own this object.
+  mutable File* key_file_;
   int unreported_size_[kNumStreams];  // Bytes not reported yet to the backend.
   bool doomed_;               // True if this entry was removed from the cache.
   scoped_ptr<SparseControl> sparse_;  // Support for sparse entries.
 
   DISALLOW_COPY_AND_ASSIGN(EntryImpl);
 };
 
 }  // namespace disk_cache
 
 #endif  // NET_DISK_CACHE_ENTRY_IMPL_H_