Visualize status of port forwarding sockets in chrome:inspect Devices tab

chrome/browser/devtools/devtools_protocol.h

Index: chrome/browser/devtools/devtools_protocol.h
diff --git a/chrome/browser/devtools/devtools_protocol.h b/chrome/browser/devtools/devtools_protocol.h
index 9a01eee531373b65e21b95d311a9e20905a2a55a..9b15b9e3ac445939199b0a9b02483bcd7e1cde8b 100644
--- a/chrome/browser/devtools/devtools_protocol.h
+++ b/chrome/browser/devtools/devtools_protocol.h
@@ -38,7 +38,7 @@ class DevToolsProtocol {
    public:
     // Takes ownership of |params|.
     Command(int id, const std::string& method, base::DictionaryValue* params);
-    virtual  ~Command();
+    virtual ~Command();
 
     int id() { return id_; }
     std::string Serialize();
@@ -49,6 +49,23 @@ class DevToolsProtocol {
     DISALLOW_COPY_AND_ASSIGN(Command);
   };
 
+  class Response {
+   public:
+    virtual ~Response();
+
+    int id() { return id_; }
+    int error_code() { return error_code_; }
+
+   private:
+    friend class DevToolsProtocol;
+
+    Response(int id, int error_code);
+    int id_;
+    int error_code_;
+
+    DISALLOW_COPY_AND_ASSIGN(Response);
+  };
+
   class Notification : public Message {
    public:
     virtual ~Notification();
@@ -63,8 +80,12 @@ class DevToolsProtocol {
     DISALLOW_COPY_AND_ASSIGN(Notification);
   };
 
+  // Result ownership is passed to the caller.
   static Notification* ParseNotification(const std::string& json);
 
+  // Result ownership is passed to the caller.
+  static Response* ParseResponse(const std::string& json);
+
  private:
 
   DevToolsProtocol() {}