Thread decls-list through Declaration

src/asmjs/asm-wasm-builder.cc

Index: src/asmjs/asm-wasm-builder.cc
diff --git a/src/asmjs/asm-wasm-builder.cc b/src/asmjs/asm-wasm-builder.cc
index 2db8d03c11aba5c0344dc4064433065a4b42bda4..26fec8ab7b914307ca9302f510a93bf79d1b6904 100644
--- a/src/asmjs/asm-wasm-builder.cc
+++ b/src/asmjs/asm-wasm-builder.cc
@@ -1722,9 +1722,8 @@ class AsmWasmBuilderImpl final : public AstVisitor<AsmWasmBuilderImpl> {
 
   void VisitThisFunction(ThisFunction* expr) { UNREACHABLE(); }
 
-  void VisitDeclarations(ZoneList<Declaration*>* decls) {
-    for (int i = 0; i < decls->length(); ++i) {
-      Declaration* decl = decls->at(i);
+  void VisitDeclarations(Declaration::List* decls) {
+    for (Declaration* decl : *decls) {
       RECURSE(Visit(decl));
     }
   }