Add UMA metrics for ICE regathering reasons.
BUG=webrtc:6462
R=deadbeef@webrtc.org
Review URL: https://codereview.webrtc.org/2386783002 .
Cr-Commit-Position: refs/heads/master@{#14531}
diff --git a/webrtc/BUILD.gn b/webrtc/BUILD.gn
index fe8760f..d47cdf9 100644
--- a/webrtc/BUILD.gn
+++ b/webrtc/BUILD.gn
@@ -337,6 +337,7 @@
rtc_test("rtc_unittests") {
testonly = true
sources = [
+ "api/fakemetricsobserver.cc",
"base/array_view_unittest.cc",
"base/atomicops_unittest.cc",
"base/autodetectproxy_unittest.cc",