Thread decls-list through Declaration

src/crankshaft/typing.cc

 // Copyright 2013 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/crankshaft/typing.h"
 
 #include "src/ast/compile-time-value.h"
 #include "src/ast/scopes.h"
 #include "src/ast/variables.h"
 #include "src/frames-inl.h"
@@ skipping 763 matching lines @@
 
 int AstTyper::variable_index(Variable* var) {
   // Stack locals have the range [0 .. l]
   // Parameters have the range [-1 .. p]
   // We map this to [-p-2 .. -1, 0 .. l]
   return var->IsStackLocal()
              ? stack_local_index(var->index())
              : var->IsParameter() ? parameter_index(var->index()) : kNoVar;
 }
 
-void AstTyper::VisitDeclarations(ZoneList<Declaration*>* decls) {
-  for (int i = 0; i < decls->length(); ++i) {
-    Declaration* decl = decls->at(i);
+void AstTyper::VisitDeclarations(Declaration::List* decls) {
+  for (Declaration* decl : *decls) {
     RECURSE(Visit(decl));
   }
 }
 
 
 void AstTyper::VisitVariableDeclaration(VariableDeclaration* declaration) {
 }
 
 
 void AstTyper::VisitFunctionDeclaration(FunctionDeclaration* declaration) {
   RECURSE(Visit(declaration->fun()));
 }
 
 
 }  // namespace internal
 }  // namespace v8