net: Remove static_cast of socket in HttpProxyClientSocketPoolTest.AsyncHaveAuth.

net/http/http_proxy_client_socket_pool_unittest.cc

Index: net/http/http_proxy_client_socket_pool_unittest.cc
diff --git a/net/http/http_proxy_client_socket_pool_unittest.cc b/net/http/http_proxy_client_socket_pool_unittest.cc
index 62c50c024d26c805a5ce08f942aa0f808adbdc48..f80ef3df36920e691d1fa5d94c1d8e0d250dbede 100644
--- a/net/http/http_proxy_client_socket_pool_unittest.cc
+++ b/net/http/http_proxy_client_socket_pool_unittest.cc
@@ -526,9 +526,7 @@ TEST_P(HttpProxyClientSocketPoolTest, AsyncHaveAuth) {
   EXPECT_EQ(OK, callback_.WaitForResult());
   EXPECT_TRUE(handle_.is_initialized());
   ASSERT_TRUE(handle_.socket());
-  HttpProxyClientSocket* tunnel_socket =
-          static_cast<HttpProxyClientSocket*>(handle_.socket());
-  EXPECT_TRUE(tunnel_socket->IsConnected());
+  EXPECT_TRUE(handle_.socket()->IsConnected());
   proxy_delegate->VerifyOnTunnelRequestCompleted(
       "www.google.com:443",
       proxy_host_port.c_str());