[chromedriver] Implement reconnection to DevTools.

chrome/test/chromedriver/net/sync_websocket_impl.h

Index: chrome/test/chromedriver/net/sync_websocket_impl.h
diff --git a/chrome/test/chromedriver/net/sync_websocket_impl.h b/chrome/test/chromedriver/net/sync_websocket_impl.h
index 28aaa98a76f30efc75d3dfdc8b4f8a2a7ce356d5..cff039833b80a81d2eccbe9cdd1ebdb1f0c457cf 100644
--- a/chrome/test/chromedriver/net/sync_websocket_impl.h
+++ b/chrome/test/chromedriver/net/sync_websocket_impl.h
@@ -35,6 +35,7 @@ class SyncWebSocketImpl : public SyncWebSocket {
   virtual ~SyncWebSocketImpl();
 
   // Overridden from SyncWebSocket:
+  virtual bool IsConnected() OVERRIDE;
   virtual bool Connect(const GURL& url) OVERRIDE;
   virtual bool Send(const std::string& message) OVERRIDE;
   virtual bool ReceiveNextMessage(std::string* message) OVERRIDE;
@@ -47,6 +48,8 @@ class SyncWebSocketImpl : public SyncWebSocket {
    public:
     explicit Core(net::URLRequestContextGetter* context_getter);
 
+    bool IsConnected();
+
     bool Connect(const GURL& url);
 
     bool Send(const std::string& message);
@@ -87,7 +90,7 @@ class SyncWebSocketImpl : public SyncWebSocket {
     base::Lock lock_;
 
     // Protected by |lock_|.
-    bool closed_;
+    bool is_connected_;
 
     // Protected by |lock_|.
     std::list<std::string> received_queue_;