diff --git a/webrtc/p2p/BUILD.gn b/webrtc/p2p/BUILD.gn
index 120a800dc6..649e9cfd21 100644
--- a/webrtc/p2p/BUILD.gn
+++ b/webrtc/p2p/BUILD.gn
@@ -150,6 +150,7 @@ if (rtc_include_tests) {
       "base/fakeportallocator.h",
       "base/faketransportcontroller.h",
       "base/jseptransport_unittest.cc",
+      "base/mockicetransport.h",
       "base/p2ptransportchannel_unittest.cc",
       "base/port_unittest.cc",
       "base/portallocator_unittest.cc",
diff --git a/webrtc/p2p/base/mockicetransport.h b/webrtc/p2p/base/mockicetransport.h
new file mode 100644
index 0000000000..6b8b237529
--- /dev/null
+++ b/webrtc/p2p/base/mockicetransport.h
@@ -0,0 +1,70 @@
+/*
+ *  Copyright 2016 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 WEBRTC_P2P_BASE_MOCKICETRANSPORT_H_
+#define WEBRTC_P2P_BASE_MOCKICETRANSPORT_H_
+
+#include <memory>
+#include <string>
+#include <vector>
+
+#include "webrtc/base/gunit.h"
+#include "webrtc/p2p/base/icetransportinternal.h"
+#include "webrtc/test/gmock.h"
+
+using testing::_;
+using testing::Return;
+
+namespace cricket {
+
+// Used in Chromium/remoting/protocol/channel_socket_adapter_unittest.cc
+class MockIceTransport : public cricket::TransportChannel {
+ public:
+  MockIceTransport() : cricket::TransportChannel(std::string(), 0) {
+    set_writable(true);
+  }
+
+  MOCK_METHOD4(SendPacket,
+               int(const char* data,
+                   size_t len,
+                   const rtc::PacketOptions& options,
+                   int flags));
+  MOCK_METHOD2(SetOption, int(rtc::Socket::Option opt, int value));
+  MOCK_METHOD0(GetError, int());
+  MOCK_CONST_METHOD0(GetIceRole, cricket::IceRole());
+  MOCK_METHOD1(GetStats, bool(cricket::ConnectionInfos* infos));
+  MOCK_CONST_METHOD0(IsDtlsActive, bool());
+  MOCK_CONST_METHOD1(GetSslRole, bool(rtc::SSLRole* role));
+  MOCK_METHOD1(SetSrtpCiphers, bool(const std::vector<std::string>& ciphers));
+  MOCK_METHOD1(GetSrtpCipher, bool(std::string* cipher));
+  MOCK_METHOD1(GetSslCipher, bool(std::string* cipher));
+  MOCK_CONST_METHOD0(GetLocalCertificate,
+                     rtc::scoped_refptr<rtc::RTCCertificate>());
+
+  // This can't be a real mock method because gmock doesn't support move-only
+  // return values.
+  std::unique_ptr<rtc::SSLCertificate> GetRemoteSSLCertificate()
+      const override {
+    EXPECT_TRUE(false);  // Never called.
+    return nullptr;
+  }
+
+  MOCK_METHOD6(ExportKeyingMaterial,
+               bool(const std::string& label,
+                    const uint8_t* context,
+                    size_t context_len,
+                    bool use_context,
+                    uint8_t* result,
+                    size_t result_len));
+};
+
+}  // namespace cricket
+
+#endif  // WEBRTC_P2P_BASE_MOCKICETRANSPORT_H_