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

chrome/common/common_param_traits.h

Index: chrome/common/common_param_traits.h
===================================================================
--- chrome/common/common_param_traits.h	(revision 77144)
+++ chrome/common/common_param_traits.h	(working copy)
@@ -14,7 +14,6 @@
 
 #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"
@@ -287,20 +286,6 @@
 };
 
 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);