Implement the close() API for Message ports

android_webview/native/aw_message_port_service_impl.h

Index: android_webview/native/aw_message_port_service_impl.h
diff --git a/android_webview/native/aw_message_port_service_impl.h b/android_webview/native/aw_message_port_service_impl.h
index 3ab5b88f69edaac3f972d45336ee745705d12cd6..02402d60bc4fd6310d9b2ced40f4f489d697a101 100644
--- a/android_webview/native/aw_message_port_service_impl.h
+++ b/android_webview/native/aw_message_port_service_impl.h
@@ -39,10 +39,12 @@ class AwMessagePortServiceImpl : public AwMessagePortService {
       const std::vector<int>& sent_message_port_ids) override;
   void OnMessagePortMessageFilterClosing(
       AwMessagePortMessageFilter* filter) override;
+  void CleanupPort(int message_port_id) override;
 
   // Methods called from Java.
   void PostAppToWebMessage(JNIEnv* env, jobject object, int sender_id,
       jstring message, jintArray sent_ports);
+  void ClosePort(JNIEnv* env, jobject object, int message_port_id);
 
   void RemoveSentPorts(const std::vector<int>& sent_ports);
 
@@ -50,7 +52,8 @@ private:
   void PostAppToWebMessageOnIOThread(
       int sender_id,
       base::string16* message,
-      std::vector<int>* sent_ports);
+      std::vector<int>* sent_ports,
+      bool close_port);
   void CreateMessageChannelOnIOThread(
       scoped_refptr<AwMessagePortMessageFilter> filter,
       int* port1,