[modules] Simplify treatment of empty imports.

src/ast/scopes.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/ast/scopes.h"
 
 #include <set>
 
 #include "src/accessors.h"
 #include "src/ast/ast.h"
@@ skipping 167 matching lines @@
         ModuleDescriptor::Entry::Deserialize(isolate, avfactory,
                                              serialized_entry),
         avfactory->zone());
   }
 
   // Deserialize regular exports.
   Handle<FixedArray> regular_exports(module_info->regular_exports(), isolate);
   module_descriptor_->DeserializeRegularExports(isolate, avfactory,
                                                 regular_exports);
 
-  // Deserialize special imports.
-  Handle<FixedArray> special_imports(module_info->special_imports(), isolate);
-  for (int i = 0, n = special_imports->length(); i < n; ++i) {
+  // Deserialize namespace imports.
+  Handle<FixedArray> namespace_imports(module_info->namespace_imports(),
+                                       isolate);
+  for (int i = 0, n = namespace_imports->length(); i < n; ++i) {
     Handle<ModuleInfoEntry> serialized_entry(
-        ModuleInfoEntry::cast(special_imports->get(i)), isolate);
-    module_descriptor_->AddSpecialImport(
+        ModuleInfoEntry::cast(namespace_imports->get(i)), isolate);
+    module_descriptor_->AddNamespaceImport(
         ModuleDescriptor::Entry::Deserialize(isolate, avfactory,
                                              serialized_entry),
         avfactory->zone());
   }
 
   // Deserialize regular imports.
   Handle<FixedArray> regular_imports(module_info->regular_imports(), isolate);
   for (int i = 0, n = regular_imports->length(); i < n; ++i) {
     Handle<ModuleInfoEntry> serialized_entry(
         ModuleInfoEntry::cast(regular_imports->get(i)), isolate);
@@ skipping 1627 matching lines @@
   Variable* function =
       is_function_scope() ? AsDeclarationScope()->function_var() : nullptr;
   bool is_function_var_in_context =
       function != nullptr && function->IsContextSlot();
   return num_heap_slots() - Context::MIN_CONTEXT_SLOTS -
          (is_function_var_in_context ? 1 : 0);
 }
 
 }  // namespace internal
 }  // namespace v8