[V8] Add name of function for function's closure scope

src/debug/debug-scopes.h

 // Copyright 2015 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_DEBUG_DEBUG_SCOPES_H_
 #define V8_DEBUG_DEBUG_SCOPES_H_
 
 #include "src/debug/debug-frames.h"
 #include "src/frames.h"
 
@@ skipping 12 matching lines @@
     ScopeTypeWith,
     ScopeTypeClosure,
     ScopeTypeCatch,
     ScopeTypeBlock,
     ScopeTypeScript,
     ScopeTypeModule
   };
 
   static const int kScopeDetailsTypeIndex = 0;
   static const int kScopeDetailsObjectIndex = 1;
-  static const int kScopeDetailsSize = 2;
+  static const int kScopeDetailsNameIndex = 2;
+  static const int kScopeDetailsSize = 3;
 
   ScopeIterator(Isolate* isolate, FrameInspector* frame_inspector,
                 bool ignore_nested_scopes = false);
 
   ScopeIterator(Isolate* isolate, Handle<JSFunction> function);
 
   MUST_USE_RESULT MaybeHandle<JSObject> MaterializeScopeDetails();
 
   // More scopes?
   bool Done() {
@@ skipping 76 matching lines @@
                                          Handle<JSObject> scope_object,
                                          JSReceiver::KeyCollectionType type);
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(ScopeIterator);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_DEBUG_DEBUG_SCOPES_H_