Brushed up listen socket:

chrome/browser/debugger/devtools_remote.h

Index: chrome/browser/debugger/devtools_remote.h
diff --git a/chrome/browser/debugger/devtools_remote.h b/chrome/browser/debugger/devtools_remote.h
index 713df3d3d5853038dfabe0a4c2b3516b7457ac3e..a0edc6dd384e3f8dc26cb66af23e486c46e50a56 100644
--- a/chrome/browser/debugger/devtools_remote.h
+++ b/chrome/browser/debugger/devtools_remote.h
@@ -9,6 +9,7 @@
 #include "base/ref_counted.h"
 
 class DevToolsRemoteMessage;
+class ListenSocket;
 
 // This interface should be implemented by a class that wants to handle
 // DevToolsRemoteMessages dispatched by some entity. It must extend
@@ -20,6 +21,7 @@ class DevToolsRemoteListener
   // This method is invoked on the UI thread whenever the debugger connection
   // has been lost.
   virtual void OnConnectionLost() = 0;
+  virtual void OnAcceptConnection(ListenSocket* connection) {}
 
  protected:
   friend class base::RefCountedThreadSafe<DevToolsRemoteListener>;