[api] expose API for adding per-context Intrinsics to Templates

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 1334 matching lines @@
                                      AccessorNameSetterCallback setter,
                                      v8::Local<Value> data,
                                      PropertyAttribute attribute,
                                      v8::Local<AccessorSignature> signature,
                                      AccessControl settings) {
   TemplateSetAccessor(
       this, name, getter, setter, data, settings, attribute, signature);
 }
 
 
+void Template::SetIntrinsicDataProperty(Local<Name> name, Intrinsic intrinsic,
+                                        PropertyAttribute attribute) {
+  auto templ = Utils::OpenHandle(this);
+  i::Isolate* isolate = templ->GetIsolate();
+  ENTER_V8(isolate);
+  i::HandleScope scope(isolate);
+  i::ApiNatives::AddDataProperty(isolate, templ, Utils::OpenHandle(*name),
+                                 intrinsic,
+                                 static_cast<PropertyAttributes>(attribute));
+}
+
+
 void ObjectTemplate::SetAccessor(v8::Local<String> name,
                                  AccessorGetterCallback getter,
                                  AccessorSetterCallback setter,
                                  v8::Local<Value> data, AccessControl settings,
                                  PropertyAttribute attribute,
                                  v8::Local<AccessorSignature> signature) {
   TemplateSetAccessor(
       this, name, getter, setter, data, settings, attribute, signature);
 }
 
@@ skipping 6997 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