[inspector] enable inspector by default

src/d8.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 <errno.h>
 #include <stdlib.h>
 #include <string.h>
 #include <sys/stat.h>
 
 #include <algorithm>
@@ skipping 1849 matching lines @@
   static void SendInspectorMessage(
       const v8::FunctionCallbackInfo<v8::Value>& args) {
     Isolate* isolate = args.GetIsolate();
     v8::HandleScope handle_scope(isolate);
     Local<Context> context = isolate->GetCurrentContext();
     args.GetReturnValue().Set(Undefined(isolate));
     Local<String> message = args[0]->ToString(context).ToLocalChecked();
     v8_inspector::V8InspectorSession* session =
         InspectorClient::GetSession(context);
     int length = message->Length();
-    std::unique_ptr<uint16_t> buffer(new uint16_t[length]);
+    std::unique_ptr<uint16_t[]> buffer(new uint16_t[length]);
     message->Write(buffer.get(), 0, length);
     v8_inspector::StringView message_view(buffer.get(), length);
     session->dispatchProtocolMessage(message_view);
     args.GetReturnValue().Set(True(isolate));
   }
 
   static const int kContextGroupId = 1;
 
   std::unique_ptr<v8_inspector::V8Inspector> inspector_;
   std::unique_ptr<v8_inspector::V8InspectorSession> session_;
@@ skipping 1067 matching lines @@
 }
 
 }  // namespace v8
 
 
 #ifndef GOOGLE3
 int main(int argc, char* argv[]) {
   return v8::Shell::Main(argc, argv);
 }
 #endif