[serializer] API to re-use global proxy in v8::Context::FromSnapshot.

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 73 matching lines @@
     async_function_await_uncaught)                                            \
   V(ASYNC_FUNCTION_PROMISE_CREATE_INDEX, JSFunction,                          \
     async_function_promise_create)                                            \
   V(ASYNC_FUNCTION_PROMISE_RELEASE_INDEX, JSFunction,                         \
     async_function_promise_release)                                           \
   V(DERIVED_GET_TRAP_INDEX, JSFunction, derived_get_trap)                     \
   V(ERROR_FUNCTION_INDEX, JSFunction, error_function)                         \
   V(ERROR_TO_STRING, JSFunction, error_to_string)                             \
   V(EVAL_ERROR_FUNCTION_INDEX, JSFunction, eval_error_function)               \
   V(GLOBAL_EVAL_FUN_INDEX, JSFunction, global_eval_fun)                       \
+  V(GLOBAL_PROXY_FUNCTION_INDEX, JSFunction, global_proxy_function)           \
   V(MAP_DELETE_METHOD_INDEX, JSFunction, map_delete)                          \
   V(MAP_GET_METHOD_INDEX, JSFunction, map_get)                                \
   V(MAP_HAS_METHOD_INDEX, JSFunction, map_has)                                \
   V(MAP_SET_METHOD_INDEX, JSFunction, map_set)                                \
   V(FUNCTION_HAS_INSTANCE_INDEX, JSFunction, function_has_instance)           \
   V(OBJECT_VALUE_OF, JSFunction, object_value_of)                             \
   V(OBJECT_TO_STRING, JSFunction, object_to_string)                           \
   V(PROMISE_CATCH_INDEX, JSFunction, promise_catch)                           \
   V(PROMISE_CREATE_INDEX, JSFunction, promise_create)                         \
   V(PROMISE_FUNCTION_INDEX, JSFunction, promise_function)                     \
@@ skipping 587 matching lines @@
   STATIC_ASSERT(kHeaderSize == Internals::kContextHeaderSize);
   STATIC_ASSERT(EMBEDDER_DATA_INDEX == Internals::kContextEmbedderDataIndex);
 };
 
 typedef Context::Field ContextField;
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CONTEXTS_H_