Implement the close() API for Message ports

android_webview/renderer/aw_message_port_client.cc

 // Copyright 2015 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 "android_webview/renderer/aw_message_port_client.h"
 
 #include "android_webview/common/aw_message_port_messages.h"
 #include "content/public/child/v8_value_converter.h"
 #include "content/public/renderer/render_frame.h"
 #include "content/public/renderer/render_view.h"
@@ skipping 52 matching lines @@
   base::ListValue result;
   result.Append(converter->FromV8Value(v8value, context));
   Send(new AwMessagePortHostMsg_ConvertedWebToAppMessage(
       render_frame()->GetRoutingID(), message_port_id,
       result, sent_message_port_ids));
 }
 
 void AwMessagePortClient::OnAppToWebMessage(
     int message_port_id,
     const base::string16& message,
-    const vector<int>& sent_message_port_ids) {
+    const vector<int>& sent_message_port_ids,
+    bool close_port) {
   v8::HandleScope handle_scope(blink::mainThreadIsolate());
   blink::WebFrame* main_frame =
       render_frame()->GetRenderView()->GetWebView()->mainFrame();
   if (main_frame == nullptr) {
     return;
   }
   v8::Local<v8::Context> context = main_frame->mainWorldScriptContext();
   v8::Context::Scope context_scope(context);
   DCHECK(!context.IsEmpty());
   scoped_ptr<V8ValueConverter> converter;
   converter.reset(V8ValueConverter::create());
   converter->SetDateAllowed(true);
   converter->SetRegExpAllowed(true);
   scoped_ptr<base::Value> value(new base::StringValue(message));
   v8::Handle<v8::Value> result_value = converter->ToV8Value(value.get(),
                                                            context);
   WebSerializedScriptValue serialized_script_value =
       WebSerializedScriptValue::serialize(result_value);
   base::string16 result = serialized_script_value.toString();
   Send(new AwMessagePortHostMsg_ConvertedAppToWebMessage(
       render_frame()->GetRoutingID(), message_port_id,
-      result, sent_message_port_ids));
+      result, sent_message_port_ids, close_port));
 }
 
 }