Changing multiprocess test SpawnChild to return a struct.

base/memory/shared_memory_win_unittest.cc

Index: base/memory/shared_memory_win_unittest.cc
diff --git a/base/memory/shared_memory_win_unittest.cc b/base/memory/shared_memory_win_unittest.cc
index 5fc132d25a1fbed6d02574402d69c517ba4eb9e0..ab2b5f4e006105efa91c3f5f28be8a2d622447fd 100644
--- a/base/memory/shared_memory_win_unittest.cc
+++ b/base/memory/shared_memory_win_unittest.cc
@@ -199,7 +199,10 @@ TEST_F(SharedMemoryWinTest, LowerPermissions) {
 
   base::LaunchOptions options;
   options.as_user = lowered_process_token.Get();
-  base::Process process = SpawnChildWithOptions("LowerPermissions", options);
+
+  base::SpawnChildResult spawn_result =
+      SpawnChildWithOptions("LowerPermissions", options);
+  base::Process process = std::move(spawn_result.process);
   ASSERT_TRUE(process.IsValid());
 
   SharedMemory memory;