Support sending BlobData to browser process. Also support sending UploadData...

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 31 matching lines @@
 }  // namespace gfx
 
 namespace net {
 class UploadData;
 }
 
 namespace printing {
 struct PageRange;
 }  // namespace printing
 
+namespace webkit_blob {
+class BlobData;
+}
+
 namespace webkit_glue {
 struct PasswordForm;
 struct WebApplicationInfo;
 }  // namespace webkit_glue
 
 namespace IPC {
 
 template <>
 struct ParamTraits<SkBitmap> {
   typedef SkBitmap param_type;
@@ skipping 203 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);
   static bool Read(const Message* m, void** iter, param_type* r);
   static void Log(const param_type& p, std::string* l);
 };
 
+// Traits for webkit_blob::BlobData.
+template <>
+struct ParamTraits<scoped_refptr<webkit_blob::BlobData> > {
+  typedef scoped_refptr<webkit_blob::BlobData> 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<ThumbnailScore> {
   typedef ThumbnailScore 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<Geoposition> {
@@ skipping 23 matching lines @@
 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);
 };
 
 }  // namespace IPC
 
 #endif  // CHROME_COMMON_COMMON_PARAM_TRAITS_H_