Changing SpawnChild to return a struct.

mojo/edk/embedder/platform_handle.cc

Index: mojo/edk/embedder/platform_handle.cc
diff --git a/mojo/edk/embedder/platform_handle.cc b/mojo/edk/embedder/platform_handle.cc
index b6b2cd22d1fee38d8f38879adda8d387a7f6a237..7402c925391d44cf5a1f366f288e09c344c7b70c 100644
--- a/mojo/edk/embedder/platform_handle.cc
+++ b/mojo/edk/embedder/platform_handle.cc
@@ -13,6 +13,10 @@
 #error "Platform not yet supported."
 #endif
 
+#if defined(OS_ANDROID)
+#include "base/android/jni_android.h"
+#endif
+
 #include "base/logging.h"
 
 namespace mojo {
@@ -35,6 +39,10 @@ void PlatformHandle::CloseIfNecessary() {
     port = MACH_PORT_NULL;
   }
 #endif  // defined(OS_MACOSX) && !defined(OS_IOS)
+#if defined(OS_ANDROID)
+  else if (type == Type::PARCELABLE)
+    parcelable.Reset();
+#endif  // defined(OS_ANDROID)
 #elif defined(OS_WIN)
   if (owning_process != base::GetCurrentProcessHandle()) {
     // This handle may have been duplicated to a new target process but not yet