Thread decls-list through Declaration

test/cctest/asmjs/test-asm-typer.cc

Index: test/cctest/asmjs/test-asm-typer.cc
diff --git a/test/cctest/asmjs/test-asm-typer.cc b/test/cctest/asmjs/test-asm-typer.cc
index 290bd6c814f4a7b25919fbee48d6d62f7dc5f4e5..4eaa154a6eabb45fc3b93ebb626177965701796f 100644
--- a/test/cctest/asmjs/test-asm-typer.cc
+++ b/test/cctest/asmjs/test-asm-typer.cc
@@ -64,17 +64,18 @@ class AsmTyperHarnessBuilder {
     }
 
     outer_scope_ = info.script_scope();
-    module_ =
-        info.scope()->declarations()->at(0)->AsFunctionDeclaration()->fun();
+    module_ = info.scope()
+                  ->declarations()
+                  ->AtForTest(0)
+                  ->AsFunctionDeclaration()
+                  ->fun();
     typer_.reset(new AsmTyper(isolate_, zone_, *script_, module_));
 
     if (validation_type_ == ValidateStatement ||
         validation_type_ == ValidateExpression) {
       fun_scope_.reset(new AsmTyper::FunctionScope(typer_.get()));
 
-      auto* decls = module_->scope()->declarations();
-      for (int ii = 0; ii < decls->length(); ++ii) {
-        Declaration* decl = decls->at(ii);
+      for (Declaration* decl : *module_->scope()->declarations()) {
         if (FunctionDeclaration* fun_decl = decl->AsFunctionDeclaration()) {
           fun_decl_ = fun_decl;
           break;