Changing SpawnChild to return a struct.

base/memory/shared_memory_unittest.cc

Index: base/memory/shared_memory_unittest.cc
diff --git a/base/memory/shared_memory_unittest.cc b/base/memory/shared_memory_unittest.cc
index 19dedccb4768ad01040aa73a90d722e32fe18f8e..1ca2181c316a95b0189c5acef699726d9cff277e 100644
--- a/base/memory/shared_memory_unittest.cc
+++ b/base/memory/shared_memory_unittest.cc
@@ -684,7 +684,8 @@ TEST_F(SharedMemoryProcessTest, SharedMemoryAcrossProcesses) {
   // word by 1.
   Process processes[kNumTasks];
   for (int index = 0; index < kNumTasks; ++index) {
-    processes[index] = SpawnChild("SharedMemoryTestMain");
+    SpawnChildResult spawn_result = SpawnChild("SharedMemoryTestMain");
+    processes[index] = std::move(spawn_result.process);
     ASSERT_TRUE(processes[index].IsValid());
   }