Cleanup: IWYU for base/file_util_proxy.h.

base/file_util_proxy.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_FILE_UTIL_PROXY_H_
 #define BASE_FILE_UTIL_PROXY_H_
 
-#include <vector>
-
 #include "base/base_export.h"
-#include "base/callback.h"
+#include "base/callback_forward.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/platform_file.h"
-#include "base/tracked_objects.h"
+
+namespace tracked_objects {
+class Location;
+};
 
 namespace base {
 
 class TaskRunner;
 class Time;
 
 // This class provides asynchronous access to common file routines.
 class BASE_EXPORT FileUtilProxy {
  public:
   // Holds metadata for file or directory entry.
   struct Entry {
     FilePath::StringType name;
     bool is_directory;
     int64 size;
     base::Time last_modified_time;
   };
 
   // This callback is used by methods that report only an error code.  It is
   // valid to pass a null callback to any function that takes a StatusCallback,
   // in which case the operation will complete silently.
   typedef Callback<void(PlatformFileError)> StatusCallback;
 
   typedef Callback<void(PlatformFileError,
                         PassPlatformFile,
                         bool /* created */)> CreateOrOpenCallback;
   typedef Callback<void(PlatformFileError,
                         PassPlatformFile,
                         const FilePath&)> CreateTemporaryCallback;
   typedef Callback<void(PlatformFileError,
-                        const PlatformFileInfo&
-                       )> GetFileInfoCallback;
+                        const PlatformFileInfo&)> GetFileInfoCallback;
   typedef Callback<void(PlatformFileError,
                         const char* /* data */,
                         int /* bytes read */)> ReadCallback;
   typedef Callback<void(PlatformFileError,
                         int /* bytes written */)> WriteCallback;
 
   typedef Callback<PlatformFileError(PlatformFile*, bool*)> CreateOrOpenTask;
   typedef Callback<PlatformFileError(PlatformFile)> CloseTask;
   typedef Callback<PlatformFileError(void)> FileTask;
 
@@ skipping 129 matching lines @@
       PlatformFile,
       const StatusCallback& callback);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(FileUtilProxy);
 };
 
 }  // namespace base
 
 #endif  // BASE_FILE_UTIL_PROXY_H_