Add debug mirror support for ES6 Map/Set iterators.

src/runtime/runtime.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_RUNTIME_RUNTIME_H_
 #define V8_RUNTIME_RUNTIME_H_
 
 #include "src/allocation.h"
 #include "src/objects.h"
 #include "src/zone.h"
@@ skipping 292 matching lines @@
                                                        \
   /* Harmony sets */                                   \
   F(SetInitialize, 1, 1)                               \
   F(SetAdd, 2, 1)                                      \
   F(SetHas, 2, 1)                                      \
   F(SetDelete, 2, 1)                                   \
   F(SetClear, 1, 1)                                    \
   F(SetGetSize, 1, 1)                                  \
                                                        \
   F(SetIteratorInitialize, 3, 1)                       \
+  F(SetIteratorClone, 1, 1)                            \
   F(SetIteratorNext, 2, 1)                             \
                                                        \
   /* Harmony maps */                                   \
   F(MapInitialize, 1, 1)                               \
   F(MapGet, 2, 1)                                      \
   F(MapHas, 2, 1)                                      \
   F(MapDelete, 2, 1)                                   \
   F(MapClear, 1, 1)                                    \
   F(MapSet, 3, 1)                                      \
   F(MapGetSize, 1, 1)                                  \
                                                        \
   F(MapIteratorInitialize, 3, 1)                       \
+  F(MapIteratorClone, 1, 1)                            \
   F(MapIteratorNext, 2, 1)                             \
                                                        \
   /* Harmony weak maps and sets */                     \
   F(WeakCollectionInitialize, 1, 1)                    \
   F(WeakCollectionGet, 2, 1)                           \
   F(WeakCollectionHas, 2, 1)                           \
   F(WeakCollectionDelete, 2, 1)                        \
   F(WeakCollectionSet, 3, 1)                           \
                                                        \
   F(GetWeakMapEntries, 1, 1)                           \
@@ skipping 546 matching lines @@
 class AllocateTargetSpace : public BitField<AllocationSpace, 1, 3> {};
 
 class DeclareGlobalsEvalFlag : public BitField<bool, 0, 1> {};
 class DeclareGlobalsNativeFlag : public BitField<bool, 1, 1> {};
 class DeclareGlobalsStrictMode : public BitField<StrictMode, 2, 1> {};
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_RUNTIME_RUNTIME_H_