talk/p2p/base: removed unused variable "port_"

BUG=N/A
R=pbos@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/30419004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/talk@7212 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/p2p/base/session_unittest.cc b/p2p/base/session_unittest.cc
index 90cd06d..4674d2c 100644
--- a/p2p/base/session_unittest.cc
+++ b/p2p/base/session_unittest.cc
@@ -601,8 +601,7 @@
         network_("network", "unittest",
                  rtc::IPAddress(INADDR_LOOPBACK), 8),
         socket_factory_(rtc::Thread::Current()),
-        running_(false),
-        port_(28653) {
+        running_(false) {
     network_.AddIP(address_.ipaddr());
   }
 
@@ -655,7 +654,6 @@
   rtc::Network network_;
   rtc::BasicPacketSocketFactory socket_factory_;
   bool running_;
-  int port_;
 };
 
 class TestPortAllocator : public cricket::PortAllocator {