[chromedriver] Implement reconnection to DevTools.

chrome/test/chromedriver/net/sync_websocket_impl_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "base/message_loop.h"
 #include "base/message_loop_proxy.h"
@@ skipping 91 matching lines @@
   ASSERT_FALSE(sock.ReceiveNextMessage(&message));
   ASSERT_STREQ("", message.c_str());
 }
 
 TEST_F(SyncWebSocketImplTest, CloseOnSend) {
   SyncWebSocketImpl sock(context_getter_);
   ASSERT_TRUE(sock.Connect(server_.web_socket_url()));
   server_.Stop();
   ASSERT_FALSE(sock.Send("1"));
 }
+
+TEST_F(SyncWebSocketImplTest, Reconnect) {
+  SyncWebSocketImpl sock(context_getter_);
+  ASSERT_TRUE(sock.Connect(server_.web_socket_url()));
+  ASSERT_TRUE(sock.Send("1"));
+  server_.Stop();
+  ASSERT_FALSE(sock.Send("2"));
+  ASSERT_FALSE(sock.IsConnected());
+  server_.Start();
+  ASSERT_TRUE(sock.HasNextMessage());
+  ASSERT_TRUE(sock.Connect(server_.web_socket_url()));
+  ASSERT_FALSE(sock.HasNextMessage());
+  ASSERT_TRUE(sock.Send("3"));
+  std::string message;
+  ASSERT_TRUE(sock.ReceiveNextMessage(&message));
+  ASSERT_STREQ("3", message.c_str());
+  ASSERT_FALSE(sock.HasNextMessage());
+}