Create visible fake_ice_transport target

Enables downstream projects to use the existing fake ice transport implementation, without taking dependency on gunit

Bug: None
Change-Id: I78bac9d40aa6e12b55e86f0460bcd98d85c7f214
Reviewed-on: https://webrtc-review.googlesource.com/c/120445
Commit-Queue: Peter Slatala <psla@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Steve Anton <steveanton@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26456}
diff --git a/p2p/BUILD.gn b/p2p/BUILD.gn
index 94aab36..5853ad9 100644
--- a/p2p/BUILD.gn
+++ b/p2p/BUILD.gn
@@ -114,12 +114,25 @@
 }
 
 if (rtc_include_tests) {
+  rtc_source_set("fake_ice_transport") {
+    testonly = true
+    visibility = [ "*" ]
+    sources = [
+      "base/fake_ice_transport.h",
+    ]
+    deps = [
+      ":rtc_p2p",
+      "../rtc_base:rtc_base",
+      "../rtc_base:rtc_base_approved",
+      "//third_party/abseil-cpp/absl/types:optional",
+    ]
+  }
+
   rtc_source_set("p2p_test_utils") {
     testonly = true
     sources = [
       "base/fake_candidate_pair.h",
       "base/fake_dtls_transport.h",
-      "base/fake_ice_transport.h",
       "base/fake_packet_transport.h",
       "base/fake_port_allocator.h",
       "base/mock_async_resolver.h",
@@ -131,6 +144,7 @@
       "base/test_turn_server.h",
     ]
     deps = [
+      ":fake_ice_transport",
       ":p2p_server_utils",
       ":rtc_p2p",
       "../api:libjingle_peerconnection_api",
@@ -174,6 +188,7 @@
       "client/basic_port_allocator_unittest.cc",
     ]
     deps = [
+      ":fake_ice_transport",
       ":p2p_server_utils",
       ":p2p_test_utils",
       ":rtc_p2p",
diff --git a/pc/BUILD.gn b/pc/BUILD.gn
index 87d7bd3..6fdbbcb 100644
--- a/pc/BUILD.gn
+++ b/pc/BUILD.gn
@@ -285,6 +285,7 @@
       "../media:rtc_media_base",
       "../media:rtc_media_tests_utils",
       "../modules/rtp_rtcp:rtp_rtcp_format",
+      "../p2p:fake_ice_transport",
       "../p2p:p2p_test_utils",
       "../p2p:rtc_p2p",
       "../rtc_base:checks",