[modules] Simplify treatment of empty imports.

test/cctest/test-parsing.cc

Index: test/cctest/test-parsing.cc
diff --git a/test/cctest/test-parsing.cc b/test/cctest/test-parsing.cc
index 9e8ebd2406e649cb34b0d8ebde69bbbd9d0cddea..a88023cbfd51011b85f734db80e3cc81ff1ff005 100644
--- a/test/cctest/test-parsing.cc
+++ b/test/cctest/test-parsing.cc
@@ -6174,10 +6174,10 @@ TEST(ModuleParsingInternals) {
     CheckEntry(entry, "y", "x", nullptr, -1);
   }
 
-  CHECK_EQ(3, descriptor->special_imports().length());
-  CheckEntry(descriptor->special_imports().at(0), nullptr, nullptr, nullptr, 3);
-  CheckEntry(descriptor->special_imports().at(1), nullptr, "loo", nullptr, 4);
-  CheckEntry(descriptor->special_imports().at(2), nullptr, "foob", nullptr, 4);
+  CHECK_EQ(2, descriptor->namespace_imports().length());
+  CheckEntry(descriptor->namespace_imports().at(0), nullptr, "loo", nullptr, 4);
+  CheckEntry(descriptor->namespace_imports().at(1), nullptr, "foob", nullptr,
+             4);
 
   CHECK_EQ(4, descriptor->regular_imports().size());
   entry = descriptor->regular_imports().find(