Added Net logging to FileStream.

net/tools/dump_cache/dump_files.cc

 // Copyright (c) 2011 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.
 
 // Performs basic inspection of the disk cache files with minimal disruption
 // to the actual files (they still may change if an error is detected on the
 // files).
 
 #include <set>
 #include <stdio.h>
 #include <string>
 
 #include "base/file_util.h"
 #include "base/message_loop.h"
 #include "net/base/file_stream.h"
 #include "net/disk_cache/block_files.h"
 #include "net/disk_cache/disk_format.h"
 #include "net/disk_cache/mapped_file.h"
 #include "net/disk_cache/storage_block.h"
 #include "net/disk_cache/storage_block-inl.h"
 
 namespace {
 
 const wchar_t kIndexName[] = L"index";
 const wchar_t kDataPrefix[] = L"data_";
 
 // Reads the |header_size| bytes from the beginning of file |name|.
 bool ReadHeader(const std::wstring& name, char* header, int header_size) {
-  net::FileStream file;
+  net::FileStream file(NULL);
   file.Open(FilePath::FromWStringHack(name),
       base::PLATFORM_FILE_OPEN | base::PLATFORM_FILE_READ);
   if (!file.IsOpen()) {
     printf("Unable to open file %ls\n", name.c_str());
     return false;
   }
 
   int read = file.Read(header, header_size, net::CompletionCallback());
   if (read != header_size) {
     printf("Unable to read file %ls\n", name.c_str());
@@ skipping 279 matching lines @@
     DumpEntry(entry);
     disk_cache::RankingsNode rankings;
     if (dumper.LoadRankings(entry.rankings_node, &rankings))
       DumpRankings(rankings);
   }
 
   printf("Done.\n");
 
   return 0;
 }