Increase the stun ping interval.

webrtc/p2p/base/p2ptransportchannel_unittest.cc

Index: webrtc/p2p/base/p2ptransportchannel_unittest.cc
diff --git a/webrtc/p2p/base/p2ptransportchannel_unittest.cc b/webrtc/p2p/base/p2ptransportchannel_unittest.cc
index 47a64e1d0f92f3309cd4104c0c11fc43d7b4d661..c3f1a6bd5b81afa63b26b3aa8e4cb4cc44cda3d6 100644
--- a/webrtc/p2p/base/p2ptransportchannel_unittest.cc
+++ b/webrtc/p2p/base/p2ptransportchannel_unittest.cc
@@ -2649,13 +2649,14 @@ class P2PTransportChannelMostLikelyToWorkFirstTest
 
   cricket::P2PTransportChannel& StartTransportChannel(
       bool prioritize_most_likely_to_work,
-      int max_strong_interval) {
+      int writable_connection_ping_interval) {
     channel_.reset(
         new cricket::P2PTransportChannel("checks", 1, nullptr, allocator()));
     cricket::IceConfig config = channel_->config();
     config.prioritize_most_likely_candidate_pairs =
         prioritize_most_likely_to_work;
-    config.max_strong_interval = max_strong_interval;
+    config.writable_connection_ping_interval =
+        writable_connection_ping_interval;
     channel_->SetIceConfig(config);
     PrepareChannel(channel_.get());
     channel_->Connect();