Add Cache size to the Simple Index.

net/disk_cache/simple/simple_synchronous_entry.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_SIMPLE_SIMPLE_SYNCHRONOUS_ENTRY_H_
 #define NET_DISK_CACHE_SIMPLE_SIMPLE_SYNCHRONOUS_ENTRY_H_
 
 #include <string>
 
 #include "base/callback_forward.h"
@@ skipping 65 matching lines @@
                  int buf_len,
                  const SynchronousOperationCallback& callback,
                  bool truncate);
 
   const base::FilePath& path() const { return path_; }
   std::string key() const { return key_; }
   base::Time last_used() const { return last_used_; }
   base::Time last_modified() const { return last_modified_; }
   int32 data_size(int index) const { return data_size_[index]; }
 
+  int64 GetFileSize() const;
+
  private:
   SimpleSynchronousEntry(
       const scoped_refptr<base::TaskRunner>& callback_runner,
       const base::FilePath& path,
       const std::string& key);
 
   // Like Entry, the SimpleSynchronousEntry self releases when Close() is
   // called.
   ~SimpleSynchronousEntry();
 
@@ skipping 10 matching lines @@
   base::Time last_used_;
   base::Time last_modified_;
   int32 data_size_[kSimpleEntryFileCount];
 
   base::PlatformFile files_[kSimpleEntryFileCount];
 };
 
 }  // namespace disk_cache
 
 #endif  // NET_DISK_CACHE_SIMPLE_SIMPLE_SYNCHRONOUS_ENTRY_H_