Add base::UnguessableToken

ipc/ipc_message_utils_unittest.cc

Index: ipc/ipc_message_utils_unittest.cc
diff --git a/ipc/ipc_message_utils_unittest.cc b/ipc/ipc_message_utils_unittest.cc
index 8ad690dfb4d82664c2f15e8e3b1676ea64bea422..be7b43f29897a88d1cd060ca292526d77312a2b1 100644
--- a/ipc/ipc_message_utils_unittest.cc
+++ b/ipc/ipc_message_utils_unittest.cc
@@ -10,6 +10,7 @@
 
 #include "base/files/file_path.h"
 #include "base/json/json_reader.h"
+#include "base/unguessable_token.h"
 #include "ipc/ipc_channel_handle.h"
 #include "ipc/ipc_message.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ -199,5 +200,25 @@ TEST(IPCMessageUtilsTest, OptionalSet) {
   EXPECT_EQ(opt.value(), unserialized_opt.value());
 }
 
+TEST(IPCMessageUtilsTest, UnguessableTokenTest) {
+  base::UnguessableToken token = base::UnguessableToken::Create();
+  base::Pickle pickle;
+  IPC::WriteParam(&pickle, token);
+
+  base::PickleSizer sizer;
+  IPC::GetParamSize(&sizer, token);
+
+  EXPECT_EQ(sizer.payload_size(), pickle.payload_size());
+
+  std::string log;
+  IPC::LogParam(token, &log);
+  EXPECT_EQ(token.ToString(), log);
+
+  base::UnguessableToken deserialized_token;
+  base::PickleIterator iter(pickle);
+  EXPECT_TRUE(IPC::ReadParam(&pickle, &iter, &deserialized_token));
+  EXPECT_EQ(token, deserialized_token);
+}
+
 }  // namespace
 }  // namespace IPC