diff --git a/p2p/BUILD.gn b/p2p/BUILD.gn
index a984e8a..312ade5 100644
--- a/p2p/BUILD.gn
+++ b/p2p/BUILD.gn
@@ -52,6 +52,7 @@
     "base/p2p_constants.h",
     "base/p2p_transport_channel.cc",
     "base/p2p_transport_channel.h",
+    "base/p2p_transport_channel_ice_field_trials.h",
     "base/packet_transport_interface.h",
     "base/packet_transport_internal.cc",
     "base/packet_transport_internal.h",
diff --git a/p2p/base/p2p_transport_channel.h b/p2p/base/p2p_transport_channel.h
index ee0cca2..fdc5dd2 100644
--- a/p2p/base/p2p_transport_channel.h
+++ b/p2p/base/p2p_transport_channel.h
@@ -36,6 +36,7 @@
 #include "p2p/base/ice_controller_interface.h"
 #include "p2p/base/ice_transport_internal.h"
 #include "p2p/base/p2p_constants.h"
+#include "p2p/base/p2p_transport_channel_ice_field_trials.h"
 #include "p2p/base/port_allocator.h"
 #include "p2p/base/port_interface.h"
 #include "p2p/base/regathering_controller.h"
@@ -76,21 +77,6 @@
   PortInterface* origin_port_;
 };
 
-struct IceFieldTrials {
-  bool skip_relay_to_non_relay_connections = false;
-  absl::optional<int> max_outstanding_pings;
-
-  // Wait X ms before selecting a connection when having none.
-  // This will make media slower, but will give us chance to find
-  // a better connection before starting.
-  absl::optional<int> initial_select_dampening;
-
-  // If the connection has recevied a ping-request, delay by
-  // maximum this delay. This will make media slower, but will
-  // give us chance to find a better connection before starting.
-  absl::optional<int> initial_select_dampening_ping_received;
-};
-
 // P2PTransportChannel manages the candidates and connection process to keep
 // two P2P clients connected to each other.
 class RTC_EXPORT P2PTransportChannel : public IceTransportInternal {
diff --git a/p2p/base/p2p_transport_channel_ice_field_trials.h b/p2p/base/p2p_transport_channel_ice_field_trials.h
new file mode 100644
index 0000000..60a3777
--- /dev/null
+++ b/p2p/base/p2p_transport_channel_ice_field_trials.h
@@ -0,0 +1,38 @@
+/*
+ *  Copyright 2019 The WebRTC Project Authors. All rights reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef P2P_BASE_P2P_TRANSPORT_CHANNEL_ICE_FIELD_TRIALS_H_
+#define P2P_BASE_P2P_TRANSPORT_CHANNEL_ICE_FIELD_TRIALS_H_
+
+#include "absl/types/optional.h"
+
+namespace cricket {
+
+// Field trials for P2PTransportChannel and friends,
+// put in separate file so that they can be shared e.g
+// with Connection.
+struct IceFieldTrials {
+  bool skip_relay_to_non_relay_connections = false;
+  absl::optional<int> max_outstanding_pings;
+
+  // Wait X ms before selecting a connection when having none.
+  // This will make media slower, but will give us chance to find
+  // a better connection before starting.
+  absl::optional<int> initial_select_dampening;
+
+  // If the connection has recevied a ping-request, delay by
+  // maximum this delay. This will make media slower, but will
+  // give us chance to find a better connection before starting.
+  absl::optional<int> initial_select_dampening_ping_received;
+};
+
+}  // namespace cricket
+
+#endif  // P2P_BASE_P2P_TRANSPORT_CHANNEL_ICE_FIELD_TRIALS_H_