Fix build error due to conflicting changes.

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 7171 matching lines @@
       !ToLocal<Proxy>(i::JSProxy::New(isolate, target, handler), &result);
   RETURN_ON_FAILED_EXECUTION(Proxy);
   RETURN_ESCAPED(result);
 }
 
 Local<String> WasmCompiledModule::GetUncompiledBytes() {
   i::Handle<i::JSObject> obj =
       i::Handle<i::JSObject>::cast(Utils::OpenHandle(this));
   i::Handle<i::wasm::WasmCompiledModule> compiled_part =
       i::handle(i::wasm::WasmCompiledModule::cast(obj->GetInternalField(0)));
-  return Local<String>::Cast(Utils::ToLocal(compiled_part->module_bytes()));
+  i::Handle<i::String> module_bytes = compiled_part->module_bytes();
+  return Local<String>::Cast(Utils::ToLocal(module_bytes));
 }
 
 WasmCompiledModule::SerializedModule WasmCompiledModule::Serialize() {
   i::Handle<i::JSObject> obj =
       i::Handle<i::JSObject>::cast(Utils::OpenHandle(this));
   i::Handle<i::wasm::WasmCompiledModule> compiled_part =
       i::handle(i::wasm::WasmCompiledModule::cast(obj->GetInternalField(0)));
 
-  i::Handle<i::String> uncompiled_bytes = compiled_part->module_bytes();
+  i::Handle<i::SeqOneByteString> uncompiled_bytes =
+      compiled_part->module_bytes();
   compiled_part->reset_module_bytes();
   std::unique_ptr<i::ScriptData> script_data =
       i::WasmCompiledModuleSerializer::SerializeWasmModule(obj->GetIsolate(),
                                                            compiled_part);
   compiled_part->set_module_bytes(uncompiled_bytes);
   script_data->ReleaseDataOwnership();
 
   size_t size = static_cast<size_t>(script_data->length());
   return {std::unique_ptr<const uint8_t[]>(script_data->data()), size};
 }
@@ skipping 2203 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