[api] Expose Isolate::SetHostImportModuleDynamicallyCallback

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 8325 matching lines @@
   }
 
   if (params.add_histogram_sample_callback) {
     v8_isolate->SetAddHistogramSampleFunction(
         params.add_histogram_sample_callback);
   }
 
   isolate->set_api_external_references(params.external_references);
   isolate->set_allow_atomics_wait(params.allow_atomics_wait);
 
-  if (params.host_import_module_dynamically_callback_ != nullptr) {
-    isolate->SetHostImportModuleDynamicallyCallback(
-        params.host_import_module_dynamically_callback_);
-  }
-
   SetResourceConstraints(isolate, params.constraints);
   // TODO(jochen): Once we got rid of Isolate::Current(), we can remove this.
   Isolate::Scope isolate_scope(v8_isolate);
   if (params.entry_hook || !i::Snapshot::Initialize(isolate)) {
     isolate->Init(NULL);
   }
   return v8_isolate;
 }
 
 
@@ skipping 29 matching lines @@
   isolate->Exit();
 }
 
 
 void Isolate::SetAbortOnUncaughtExceptionCallback(
     AbortOnUncaughtExceptionCallback callback) {
   i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this);
   isolate->SetAbortOnUncaughtExceptionCallback(callback);
 }
 
+void Isolate::SetHostImportModuleDynamicallyCallback(
+    HostImportModuleDynamicallyCallback callback) {
+  i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this);
+  isolate->SetHostImportModuleDynamicallyCallback(callback);
+}
 
 Isolate::DisallowJavascriptExecutionScope::DisallowJavascriptExecutionScope(
     Isolate* isolate,
     Isolate::DisallowJavascriptExecutionScope::OnFailure on_failure)
     : on_failure_(on_failure) {
   i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
   if (on_failure_ == CRASH_ON_FAILURE) {
     internal_ = reinterpret_cast<void*>(
         new i::DisallowJavascriptExecution(i_isolate));
   } else {
@@ skipping 2073 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