Report unreadable files as size zero when uploading.

chrome/common/common_param_traits.h

 // 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.
 
 // 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.
 
@@ skipping 343 matching lines @@
   }
 };
 
 // Traits for net::UploadData.
 template <>
 struct ParamTraits<scoped_refptr<net::UploadData> > {
   typedef scoped_refptr<net::UploadData> param_type;
   static void Write(Message* m, const param_type& p) {
     WriteParam(m, p.get() != NULL);
     if (p) {
-      WriteParam(m, p->elements());
+      WriteParam(m, *p->elements());
       WriteParam(m, p->identifier());
     }
   }
   static bool Read(const Message* m, void** iter, param_type* r) {
     bool has_object;
     if (!ReadParam(m, iter, &has_object))
       return false;
     if (!has_object)
       return true;
     std::vector<net::UploadData::Element> elements;
@@ skipping 55 matching lines @@
 struct ParamTraits<Geoposition::ErrorCode> {
   typedef Geoposition::ErrorCode param_type;
   static void Write(Message* m, const param_type& p);
   static bool Read(const Message* m, void** iter, param_type* p);
   static void Log(const param_type& p, std::wstring* l);
 };
 
 }  // namespace IPC
 
 #endif  // CHROME_COMMON_COMMON_PARAM_TRAITS_H_