Base: Rename File::error() to File::error_details()

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>
@@ skipping 154 matching lines @@
   void InitializeUnsafe(const FilePath& name, uint32 flags);
 
   bool IsValid() const;
 
   // Returns true if a new file was created (or an old one truncated to zero
   // length to simulate a new file, which can happen with
   // FLAG_CREATE_ALWAYS), and false otherwise.
   bool created() const { return created_; }
 
   // Returns the OS result of opening this file.
-  Error error() const { return error_; }
+  Error error_details() const { return error_details_; }
 
   PlatformFile GetPlatformFile() const { return file_; }
   PlatformFile TakePlatformFile();
 
   // Destroying this object closes the file automatically.
   void Close();
 
   // Changes current position in the file to an |offset| relative to an origin
   // defined by |whence|. Returns the resultant current position in the file
   // (relative to the start) or -1 in case of error.
@@ skipping 83 matching lines @@
 
  private:
   void SetPlatformFile(PlatformFile file);
 
 #if defined(OS_WIN)
   win::ScopedHandle file_;
 #elif defined(OS_POSIX)
   PlatformFile file_;
 #endif
 
-  Error error_;
+  Error error_details_;
   bool created_;
   bool async_;
 };
 
 }  // namespace base
 
 #endif  // BASE_FILES_FILE_H_