Add base::UnguessableToken

ipc/ipc_message_utils.h

 // Copyright (c) 2012 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_MESSAGE_UTILS_H_
 #define IPC_IPC_MESSAGE_UTILS_H_
 
 #include <limits.h>
 #include <stddef.h>
 #include <stdint.h>
@@ skipping 23 matching lines @@
 
 namespace base {
 class DictionaryValue;
 class FilePath;
 class ListValue;
 class NullableString16;
 class Time;
 class TimeDelta;
 class TimeTicks;
 struct FileDescriptor;
+struct Nonce;
 
 #if (defined(OS_MACOSX) && !defined(OS_IOS)) || defined(OS_WIN)
 class SharedMemoryHandle;
 #endif  // (defined(OS_MACOSX) && !defined(OS_IOS)) || defined(OS_WIN)
 }
 
 namespace IPC {
 
 struct ChannelHandle;
 
@@ skipping 606 matching lines @@
   typedef base::TimeTicks 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<base::Nonce> {
+  typedef base::Nonce 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 ParamTraits<std::tuple<>> {
   typedef std::tuple<> 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) {
     return true;
   }
   static void Log(const param_type& p, std::string* l) {
@@ skipping 460 matching lines @@
 template <class ReplyParamType>
 inline void LogReplyParamsToMessage(const ReplyParamType& reply_params,
                                     const Message* msg) {}
 
 inline void ConnectMessageAndReply(const Message* msg, Message* reply) {}
 #endif
 
 }  // namespace IPC
 
 #endif  // IPC_IPC_MESSAGE_UTILS_H_