Base: Make file_util and file use the same code to translate from stat to File::Info

base/files/file.h

 // Copyright (c) 2012 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 BASE_FILES_FILE_H_
 #define BASE_FILES_FILE_H_
 
 #include "build/build_config.h"
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
+#if defined(OS_POSIX)
+#include <sys/stat.h>
+#endif
+
 #include "base/base_export.h"
 #include "base/basictypes.h"
 #include "base/files/scoped_file.h"
 #include "base/move.h"
 #include "base/time/time.h"
 
 #if defined(OS_WIN)
 #include "base/win/scoped_handle.h"
 #endif
 
 namespace base {
 
 class FilePath;
 
 #if defined(OS_WIN)
 typedef HANDLE PlatformFile;
 #elif defined(OS_POSIX)
 typedef int PlatformFile;
+
+#if defined(OS_BSD) || defined(OS_MACOSX) || defined(OS_NACL)
+typedef struct stat stat_wrapper_t;
+#else
+typedef struct stat64 stat_wrapper_t;
 #endif
-
+#endif  // defined(OS_POSIX)
 
 // Thin wrapper around an OS-level file.
 // Note that this class does not provide any support for asynchronous IO, other
 // than the ability to create asynchronous handles on Windows.
 //
 // Note about const: this class does not attempt to determine if the underlying
 // file system object is affected by a particular method in order to consider
 // that method const or not. Only methods that deal with member variables in an
 // obvious non-modifying way are marked as const. Any method that forward calls
 // to the OS is not considered const, even if there is no apparent change to
@@ skipping 70 matching lines @@
   };
 
   // Used to hold information about a given file.
   // If you add more fields to this structure (platform-specific fields are OK),
   // make sure to update all functions that use it in file_util_{win|posix}.cc
   // too, and the ParamTraits<base::PlatformFileInfo> implementation in
   // chrome/common/common_param_traits.cc.
   struct BASE_EXPORT Info {
     Info();
     ~Info();
+#if defined(OS_POSIX)
+    // Fills this struct with values from |stat_info|.
+    void FromStat(const stat_wrapper_t& stat_info);
+#endif
 
     // The size of the file in bytes.  Undefined when is_directory is true.
     int64 size;
 
     // True if the file corresponds to a directory.
     bool is_directory;
 
     // True if the file corresponds to a symbolic link.
     bool is_symbolic_link;
 
@@ skipping 153 matching lines @@
 #endif
 
   Error error_details_;
   bool created_;
   bool async_;
 };
 
 }  // namespace base
 
 #endif  // BASE_FILES_FILE_H_