PlzNavigate data pipe

ipc/ipc_mojo_param_traits.h

 // Copyright 2015 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.
 
 #ifndef IPC_IPC_MOJO_PARAM_TRAITS_H_
 #define IPC_IPC_MOJO_PARAM_TRAITS_H_
 
 #include <string>
 
 #include "ipc/ipc_export.h"
 #include "ipc/ipc_param_traits.h"
+#include "mojo/public/cpp/system/data_pipe.h"
 #include "mojo/public/cpp/system/message_pipe.h"
 
 namespace base {
 class Pickle;
 class PickleIterator;
 class PickleSizer;
 }
 
 namespace IPC {
 
 template <>
 struct IPC_EXPORT ParamTraits<mojo::MessagePipeHandle> {
   typedef mojo::MessagePipeHandle param_type;
   static void GetSize(base::PickleSizer* sizer, const param_type& p);
   static void Write(base::Pickle* m, const param_type& p);
   static bool Read(const base::Pickle* m, base::PickleIterator* iter,
                    param_type* r);
   static void Log(const param_type& p, std::string* l);
 };
 
+template <>
+struct IPC_EXPORT ParamTraits<mojo::DataPipeConsumerHandle> {
+  typedef mojo::DataPipeConsumerHandle param_type;
+  static void GetSize(base::PickleSizer* sizer, const param_type& p);
+  static void Write(base::Pickle* m, const param_type& p);
+  static bool Read(const base::Pickle* m,
+                   base::PickleIterator* iter,
+                   param_type* r);
+  static void Log(const param_type& p, std::string* l);
+};
+
 }  // namespace IPC
 
 #endif  // IPC_IPC_MOJO_PARAM_TRAITS_H_