Make SimpleEntryImpl::Doom() completely asynchronous.

net/disk_cache/simple/simple_synchronous_entry.cc

 // 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.
 
 #include "net/disk_cache/simple/simple_synchronous_entry.h"
 
 #include <algorithm>
 #include <cstring>
 #include <limits>
 
@@ skipping 94 matching lines @@
     const net::CompletionCallback& callback) {
   for (int i = 0; i < kSimpleEntryFileCount; ++i) {
     FilePath to_delete = path.AppendASCII(GetFilenameForKeyAndIndex(key, i));
     bool ALLOW_UNUSED result = file_util::Delete(to_delete, false);
     DLOG_IF(ERROR, !result) << "Could not delete " << to_delete.MaybeAsASCII();
   }
   if (!callback.is_null())
     callback_runner->PostTask(FROM_HERE, base::Bind(callback, net::OK));
 }
 
-void SimpleSynchronousEntry::DoomAndClose() {
-  scoped_refptr<TaskRunner> callback_runner = callback_runner_;
-  FilePath path = path_;
-  std::string key = key_;
-
-  Close();
-  // |this| is now deleted.
-
-  DoomEntry(path, key, callback_runner, net::CompletionCallback());
-}
-
 void SimpleSynchronousEntry::Close() {
   for (int i = 0; i < kSimpleEntryFileCount; ++i) {
     bool ALLOW_UNUSED result = ClosePlatformFile(files_[i]);
     DLOG_IF(INFO, !result) << "Could not Close() file.";
   }
   delete this;
 }
 
 void SimpleSynchronousEntry::ReadData(
     int index,
@@ skipping 176 matching lines @@
       DLOG(WARNING) << "Could not write keys to new cache entry.";
       return false;
     }
   }
 
   initialized_ = true;
   return true;
 }
 
 }  // namespace disk_cache