Implement chrome.socket.bind/listen/accept for TCP server socket.

chrome/browser/extensions/api/socket/socket.h

Index: chrome/browser/extensions/api/socket/socket.h
diff --git a/chrome/browser/extensions/api/socket/socket.h b/chrome/browser/extensions/api/socket/socket.h
index a91a45044b34f1d2eb81bd37dc2efbeb5ac0385d..ba024be5965c7d9776d4aba6c4cfc18faef5c418 100644
--- a/chrome/browser/extensions/api/socket/socket.h
+++ b/chrome/browser/extensions/api/socket/socket.h
@@ -15,6 +15,7 @@
 #include "net/base/completion_callback.h"
 #include "net/base/io_buffer.h"
 #include "net/base/ip_endpoint.h"
+#include "net/socket/tcp_client_socket.h"
 
 namespace net {
 class AddressList;
@@ -30,6 +31,7 @@ typedef base::Callback<void(int, scoped_refptr<net::IOBuffer> io_buffer)>
 typedef base::Callback<
   void(int, scoped_refptr<net::IOBuffer> io_buffer, const std::string&, int)>
       RecvFromCompletionCallback;
+typedef base::Callback<void(int, net::TCPClientSocket*)> AcceptCompletionCallback;
 
 // A Socket wraps a low-level socket and includes housekeeping information that
 // we need to manage it in the context of an extension.
@@ -63,6 +65,8 @@ class Socket : public ApiResource {
 
   virtual bool SetKeepAlive(bool enable, int delay);
   virtual bool SetNoDelay(bool no_delay);
+  virtual bool Listen(int backlog);
+  virtual void Accept(const AcceptCompletionCallback &callback);
 
   bool IsConnected();
   virtual bool IsTCPSocket() = 0;