Rename "extras exports" to "extras binding"

src/contexts.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_CONTEXTS_H_
 #define V8_CONTEXTS_H_
 
 #include "src/heap/heap.h"
 #include "src/objects.h"
 
@@ skipping 183 matching lines @@
   V(SET_ADD_METHOD_INDEX, JSFunction, set_add)                                 \
   V(SET_HAS_METHOD_INDEX, JSFunction, set_has)                                 \
   V(SET_DELETE_METHOD_INDEX, JSFunction, set_delete)                           \
   V(MAP_FROM_ARRAY_INDEX, JSFunction, map_from_array)                          \
   V(SET_FROM_ARRAY_INDEX, JSFunction, set_from_array)                          \
   V(MAP_ITERATOR_MAP_INDEX, Map, map_iterator_map)                             \
   V(SET_ITERATOR_MAP_INDEX, Map, set_iterator_map)                             \
   V(ARRAY_VALUES_ITERATOR_INDEX, JSFunction, array_values_iterator)            \
   V(SCRIPT_CONTEXT_TABLE_INDEX, ScriptContextTable, script_context_table)      \
   V(NATIVES_UTILS_OBJECT_INDEX, Object, natives_utils_object)                  \
-  V(EXTRAS_EXPORTS_OBJECT_INDEX, JSObject, extras_exports_object)
+  V(EXTRAS_EXPORTS_OBJECT_INDEX, JSObject, extras_binding_object)
 
 
 // A table of all script contexts. Every loaded top-level script with top-level
 // lexical declarations contributes its ScriptContext into this table.
 //
 // The table is a fixed array, its first slot is the current used count and
 // the subsequent slots 1..used contain ScriptContexts.
 class ScriptContextTable : public FixedArray {
  public:
   // Conversions.
@@ skipping 454 matching lines @@
   static bool IsBootstrappingOrGlobalObject(Isolate* isolate, Object* object);
 #endif
 
   STATIC_ASSERT(kHeaderSize == Internals::kContextHeaderSize);
   STATIC_ASSERT(EMBEDDER_DATA_INDEX == Internals::kContextEmbedderDataIndex);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_CONTEXTS_H_