Add final part of IPC plumbing for FileSystem API

chrome/common/common_param_traits.cc

 // Copyright (c) 2010 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/common/common_param_traits.h"
 
+#include "base/time.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/content_settings.h"
 #include "chrome/common/geoposition.h"
 #include "chrome/common/thumbnail_score.h"
 #include "gfx/rect.h"
 #include "googleurl/src/gurl.h"
 #include "net/base/upload_data.h"
 #include "printing/native_metafile.h"
 #include "printing/page_range.h"
 
@@ skipping 555 matching lines @@
   return ReadParam(m, iter, &buffer) &&
          p->Init(&buffer.front(), static_cast<uint32>(buffer.size()));
 #endif  // defined(OS_WIN)
 }
 
 void ParamTraits<printing::NativeMetafile>::Log(
     const param_type& p, std::string* l) {
   l->append("<printing::NativeMetafile>");
 }
 
+void ParamTraits<file_util::FileInfo>::Write(
+    Message* m, const param_type& p) {
+  WriteParam(m, p.size);
+  WriteParam(m, p.is_directory);
+  WriteParam(m, p.last_modified.ToDoubleT());
+}
+
+bool ParamTraits<file_util::FileInfo>::Read(
+    const Message* m, void** iter, param_type* p) {
+  double last_modified;
+  bool result =
+      ReadParam(m, iter, &p->size) &&
+      ReadParam(m, iter, &p->is_directory) &&
+      ReadParam(m, iter, &last_modified);
+  if (result)
+    p->last_modified = base::Time::FromDoubleT(last_modified);
+  return result;
+}
+
+void ParamTraits<file_util::FileInfo>::Log(
+    const param_type& p, std::string* l) {
+  l->append("(");
+  LogParam(p.size, l);
+  l->append(",");
+  LogParam(p.is_directory, l);
+  l->append(",");
+  LogParam(p.last_modified.ToDoubleT(), l);
+  l->append(")");
+}
+
 }  // namespace IPC