Step two of optionally sending messages to/from message ports as base::Value.

android_webview/browser/aw_message_port_message_filter.h

Index: android_webview/browser/aw_message_port_message_filter.h
diff --git a/android_webview/browser/aw_message_port_message_filter.h b/android_webview/browser/aw_message_port_message_filter.h
index 061dabb74efa2994658437267756322c20c5d947..4dfeed65ecaa34252f3b5b569aa1a618557f522c 100644
--- a/android_webview/browser/aw_message_port_message_filter.h
+++ b/android_webview/browser/aw_message_port_message_filter.h
@@ -29,9 +29,11 @@ class AwMessagePortMessageFilter : public content::BrowserMessageFilter,
   void SendClosePortMessage(int message_port_id);
 
   // MessagePortDelegate implementation.
-  void SendMessage(int msg_port_route_id,
-                   const content::MessagePortMessage& message,
-                   const std::vector<int>& sent_message_port_ids) override;
+  void SendMessage(
+      int msg_port_route_id,
+      const content::MessagePortMessage& message,
+      const std::vector<content::TransferredMessagePort>& sent_message_ports)
+      override;
   void SendMessagesAreQueued(int route_id) override;
  private:
   friend class content::BrowserThread;