Remove simple_util::GetMTime from simple cache.

net/disk_cache/simple/simple_backend_impl.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_backend_impl.h"
 
 #include <algorithm>
 #include <cstdlib>
 
 #if defined(OS_POSIX)
@@ skipping 385 matching lines @@
     const base::FilePath& path,
     uint64 suggested_max_size) {
   DiskStatResult result;
   result.max_size = suggested_max_size;
   result.net_error = net::OK;
   if (!FileStructureConsistent(path)) {
     LOG(ERROR) << "Simple Cache Backend: wrong file structure on disk: "
                << path.LossyDisplayName();
     result.net_error = net::ERR_FAILED;
   } else {
-    bool mtime_result =
-        disk_cache::simple_util::GetMTime(path, &result.cache_dir_mtime);
-    DCHECK(mtime_result);
+    base::PlatformFileInfo file_info;
+    bool file_info_result = file_util::GetFileInfo(path, &file_info);
+    DCHECK(file_info_result);
+    result.cache_dir_mtime = file_info.last_modified;
     if (!result.max_size) {
       int64 available = base::SysInfo::AmountOfFreeDiskSpace(path);
       if (available < 0)
         result.max_size = kDefaultCacheSize;
       else
         // TODO(pasko): Move PreferedCacheSize() to cache_util.h. Also fix the
         // spelling.
         result.max_size = disk_cache::PreferedCacheSize(available);
     }
     DCHECK(result.max_size);
@@ skipping 142 matching lines @@
     const CompletionCallback& callback,
     int error_code) {
   if (error_code == net::ERR_FAILED) {
     OpenNextEntry(iter, entry, callback);
     return;
   }
   CallCompletionCallback(callback, error_code);
 }
 
 }  // namespace disk_cache