Remove stray platform_file.h from chrome and components

chrome/browser/media_galleries/fileapi/itunes_data_provider.cc

 // Copyright 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 "chrome/browser/media_galleries/fileapi/itunes_data_provider.h"
 
 #include <map>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/format_macros.h"
 #include "base/i18n/i18n_constants.h"
 #include "base/i18n/icu_string_conversions.h"
 #include "base/location.h"
 #include "base/logging.h"
-#include "base/platform_file.h"
 #include "base/stl_util.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/threading/thread_restrictions.h"
 #include "chrome/browser/media_galleries/fileapi/file_path_watcher_util.h"
 #include "chrome/browser/media_galleries/fileapi/media_file_system_backend.h"
 #include "chrome/browser/media_galleries/imported_media_gallery_registry.h"
 #include "chrome/common/media_galleries/itunes_library.h"
 #include "third_party/icu/source/common/unicode/locid.h"
 #include "webkit/browser/fileapi/native_file_util.h"
@@ skipping 267 matching lines @@
         std::string album_name = SanitizeName(album_it->first);
         library_[artist_name][album_name] =
             MakeUniqueTrackNames(album_it->second);
       }
     }
   }
   ready_callback.Run(valid());
 }
 
 }  // namespace itunes