Put file_system messages in their own file and move them to content, in prepa...

chrome/common/common_param_traits.h

 // Copyright (c) 2011 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.
 
 // This file is used to define IPC::ParamTraits<> specializations for a number
 // of types so that they can be serialized over IPC.  IPC::ParamTraits<>
 // specializations for basic types (like int and std::string) and types in the
 // 'base' project can be found in ipc/ipc_message_utils.h.  This file contains
 // specializations for types that are shared by more than one child process.
 
 #ifndef CHROME_COMMON_COMMON_PARAM_TRAITS_H_
 #define CHROME_COMMON_COMMON_PARAM_TRAITS_H_
 #pragma once
 
 #include "app/surface/transport_dib.h"
 #include "base/file_util.h"
-#include "base/platform_file.h"
 #include "base/ref_counted.h"
 #include "chrome/common/content_settings.h"
 #include "chrome/common/page_zoom.h"
 #include "ipc/ipc_message_utils.h"
 #include "printing/native_metafile.h"
 // !!! WARNING: DO NOT ADD NEW WEBKIT DEPENDENCIES !!!
 //
 // That means don't add #includes to any file in 'webkit/' or
 // 'third_party/WebKit/'. Chrome Frame and NACL build parts of base/ and
 // chrome/common/ for a mini-library that doesn't depend on webkit.
@@ skipping 252 matching lines @@
 
 template <>
 struct ParamTraits<printing::NativeMetafile> {
   typedef printing::NativeMetafile param_type;
   static void Write(Message* m, const param_type& p);
   static bool Read(const Message* m, void** iter, param_type* r);
   static void Log(const param_type& p, std::string* l);
 };
 
 template <>
-struct ParamTraits<base::PlatformFileInfo> {
-  typedef base::PlatformFileInfo param_type;
-  static void Write(Message* m, const param_type& p);
-  static bool Read(const Message* m, void** iter, param_type* r);
-  static void Log(const param_type& p, std::string* l);
-};
-
-// Traits for base::PlatformFileError
-template <>
-struct SimilarTypeTraits<base::PlatformFileError> {
-  typedef int Type;
-};
-
-template <>
 struct ParamTraits<printing::PrinterCapsAndDefaults> {
   typedef printing::PrinterCapsAndDefaults param_type;
   static void Write(Message* m, const param_type& p);
   static bool Read(const Message* m, void** iter, param_type* r);
   static void Log(const param_type& p, std::string* l);
 };
 
 }  // namespace IPC
 
 #endif  // CHROME_COMMON_COMMON_PARAM_TRAITS_H_