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

src/api.cc

 // 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.
 
 #include "src/api.h"
 
 #include <string.h>  // For memcpy, strlen.
 #ifdef V8_USE_ADDRESS_SANITIZER
 #include <sanitizer/asan_interface.h>
 #endif  // V8_USE_ADDRESS_SANITIZER
@@ skipping 6222 matching lines @@
 Local<Context> v8::Context::New(v8::Isolate* external_isolate,
                                 v8::ExtensionConfiguration* extensions,
                                 v8::MaybeLocal<ObjectTemplate> global_template,
                                 v8::MaybeLocal<Value> global_object) {
   return NewContext(external_isolate, extensions, global_template,
                     global_object, 0);
 }
 
 MaybeLocal<Context> v8::Context::FromSnapshot(
     v8::Isolate* external_isolate, size_t context_snapshot_index,
-    v8::ExtensionConfiguration* extensions) {
+    v8::ExtensionConfiguration* extensions, MaybeLocal<Value> global_object) {
   size_t index_including_default_context = context_snapshot_index + 1;
   if (!i::Snapshot::HasContextSnapshot(
           reinterpret_cast<i::Isolate*>(external_isolate),
           index_including_default_context)) {
     return MaybeLocal<Context>();
   }
   return NewContext(external_isolate, extensions, MaybeLocal<ObjectTemplate>(),
-                    MaybeLocal<Value>(), index_including_default_context);
+                    global_object, index_including_default_context);
 }
 
 MaybeLocal<Object> v8::Context::NewRemoteContext(
     v8::Isolate* external_isolate, v8::Local<ObjectTemplate> global_template,
     v8::MaybeLocal<v8::Value> global_object) {
   i::Isolate* isolate = reinterpret_cast<i::Isolate*>(external_isolate);
   LOG_API(isolate, Context, NewRemoteContext);
   i::HandleScope scope(isolate);
   i::Handle<i::FunctionTemplateInfo> global_constructor =
       EnsureConstructor(isolate, *global_template);
@@ skipping 3616 matching lines @@
   Address callback_address =
       reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback));
   VMState<EXTERNAL> state(isolate);
   ExternalCallbackScope call_scope(isolate, callback_address);
   callback(info);
 }
 
 
 }  // namespace internal
 }  // namespace v8