Revert of Added a debug info UI for Blimp

blimp/net/ssl_client_transport.h

Index: blimp/net/ssl_client_transport.h
diff --git a/blimp/net/ssl_client_transport.h b/blimp/net/ssl_client_transport.h
index df91b7d1c98520950bccd6636a7013875b3f0880..13a3ae7b74a85a0190c61c6725d4e8fa36564042 100644
--- a/blimp/net/ssl_client_transport.h
+++ b/blimp/net/ssl_client_transport.h
@@ -29,7 +29,6 @@
 namespace blimp {
 
 class BlimpConnection;
-class BlimpConnectionStatistics;
 
 // Creates and connects SSL socket connections to an Engine.
 class BLIMP_NET_EXPORT SSLClientTransport : public TCPClientTransport {
@@ -40,7 +39,6 @@
   // |net_log|: the socket event log (optional).
   SSLClientTransport(const net::IPEndPoint& ip_endpoint,
                      scoped_refptr<net::X509Certificate> cert,
-                     BlimpConnectionStatistics* statistics,
                      net::NetLog* net_log);
 
   ~SSLClientTransport() override;