[debugger] allow debug-evaluate to change stack and context values.

src/ast/scopes.h

 // 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.
 
 #ifndef V8_AST_SCOPES_H_
 #define V8_AST_SCOPES_H_
 
 #include "src/ast/ast.h"
 #include "src/hashmap.h"
 #include "src/pending-compilation-error-handler.h"
@@ skipping 522 matching lines @@
   // function objects (i.e., the scope for which a function prologue allocates
   // a context) or declaring temporaries.
   Scope* ClosureScope();
 
   // Find the first (non-arrow) function or script scope.  This is where
   // 'this' is bound, and what determines the function kind.
   Scope* ReceiverScope();
 
   Handle<ScopeInfo> GetScopeInfo(Isolate* isolate);
 
-  void CollectNonLocals(HashMap* non_locals);
+  Handle<StringSet> CollectNonLocals(Handle<StringSet> non_locals);
 
   // ---------------------------------------------------------------------------
   // Strict mode support.
   bool IsDeclared(const AstRawString* name) {
     // During formal parameter list parsing the scope only contains
     // two variables inserted at initialization: "this" and "arguments".
     // "this" is an invalid parameter name and "arguments" is invalid parameter
     // name in strict mode. Therefore looking up with the map which includes
     // "this" and "arguments" in addition to all formal parameters is safe.
     return variables_.Lookup(name) != NULL;
@@ skipping 247 matching lines @@
   AstValueFactory* ast_value_factory_;
   Zone* zone_;
 
   PendingCompilationErrorHandler pending_error_handler_;
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_AST_SCOPES_H_