Mojo: Plumb new Wait/WaitMany API out to Core.

mojo/system/memory.cc

Index: mojo/system/memory.cc
diff --git a/mojo/system/memory.cc b/mojo/system/memory.cc
index 601123e48ef529be1d5a5c0dcdcaa859c5414947..2df2ff258809917b4794c59169aad29d5dce8ab8 100644
--- a/mojo/system/memory.cc
+++ b/mojo/system/memory.cc
@@ -35,6 +35,7 @@ void MOJO_SYSTEM_IMPL_EXPORT CheckUserPointer(const void* pointer) {
 // Explicitly instantiate the sizes we need. Add instantiations as needed.
 template void MOJO_SYSTEM_IMPL_EXPORT CheckUserPointer<1, 1>(const void*);
 template void MOJO_SYSTEM_IMPL_EXPORT CheckUserPointer<4, 4>(const void*);
+template void MOJO_SYSTEM_IMPL_EXPORT CheckUserPointer<8, 4>(const void*);
 template void MOJO_SYSTEM_IMPL_EXPORT CheckUserPointer<8, 8>(const void*);
 
 template <size_t size, size_t alignment>
@@ -50,6 +51,8 @@ template void MOJO_SYSTEM_IMPL_EXPORT
 template void MOJO_SYSTEM_IMPL_EXPORT
     CheckUserPointerWithCount<4, 4>(const void*, size_t);
 template void MOJO_SYSTEM_IMPL_EXPORT
+    CheckUserPointerWithCount<8, 4>(const void*, size_t);
+template void MOJO_SYSTEM_IMPL_EXPORT
     CheckUserPointerWithCount<8, 8>(const void*, size_t);
 
 template <size_t alignment>