Port Mojo's sample_service.cc to JavaScript

mojo/public/bindings/js/core.cc

 // Copyright 2013 The Chromium 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 "mojo/public/bindings/js/core.h"
 
 #include "gin/arguments.h"
 #include "gin/array_buffer.h"
 #include "gin/converter.h"
 #include "gin/dictionary.h"
@@ skipping 138 matching lines @@
                v8::FunctionTemplate::New(Wait));
     templ->Set(gin::StringToSymbol(isolate, "waitMany"),
                v8::FunctionTemplate::New(WaitMany));
     templ->Set(gin::StringToSymbol(isolate, "createMessagePipe"),
                v8::FunctionTemplate::New(CreateMessagePipe));
     templ->Set(gin::StringToSymbol(isolate, "writeMessage"),
                v8::FunctionTemplate::New(WriteMessage));
     templ->Set(gin::StringToSymbol(isolate, "readMessage"),
                v8::FunctionTemplate::New(ReadMessage));
 
+    templ->Set(gin::StringToSymbol(isolate, "kInvalidHandle"),
+               gin::ConvertToV8(isolate, mojo::kInvalidHandle));
+
     templ->Set(gin::StringToSymbol(isolate, "RESULT_OK"),
                gin::ConvertToV8(isolate, MOJO_RESULT_OK));
     templ->Set(gin::StringToSymbol(isolate, "RESULT_CANCELLED"),
                gin::ConvertToV8(isolate, MOJO_RESULT_CANCELLED));
     templ->Set(gin::StringToSymbol(isolate, "RESULT_UNKNOWN"),
                gin::ConvertToV8(isolate, MOJO_RESULT_UNKNOWN));
     templ->Set(gin::StringToSymbol(isolate, "RESULT_INVALID_ARGUMENT"),
                gin::ConvertToV8(isolate, MOJO_RESULT_INVALID_ARGUMENT));
     templ->Set(gin::StringToSymbol(isolate, "RESULT_DEADLINE_EXCEEDED"),
                gin::ConvertToV8(isolate, MOJO_RESULT_DEADLINE_EXCEEDED));
@@ skipping 41 matching lines @@
                gin::ConvertToV8(isolate, MOJO_READ_MESSAGE_FLAG_MAY_DISCARD));
 
     data->SetObjectTemplate(&g_core_wrapper_info, templ);
   }
 
   return templ;
 }
 
 }  // namespace js
 }  // namespace mojo