rtcstats_objects.h updated with TODOs about stats not being collected

webrtc/api/rtcstatscollector_unittest.cc

Index: webrtc/api/rtcstatscollector_unittest.cc
diff --git a/webrtc/api/rtcstatscollector_unittest.cc b/webrtc/api/rtcstatscollector_unittest.cc
index 0e7860a94003c840e2536f2cbc46de2f5fda1bb7..868605662988ced0a9c6c16f7297dfc0c3182560 100644
--- a/webrtc/api/rtcstatscollector_unittest.cc
+++ b/webrtc/api/rtcstatscollector_unittest.cc
@@ -375,7 +375,7 @@ class RTCStatsCollectorTest : public testing::Test {
 
         // TODO(hbos): Define all the undefined |candidate_pair_stats| stats.
         // The EXPECT_FALSE are for the undefined stats, see also todos listed
-        // in rtcstatscollector.cc. crbug.com/633550
+        // in rtcstats_objects.h. crbug.com/633550
         EXPECT_FALSE(candidate_pair_stats.transport_id.is_defined());
         const RTCIceCandidateStats* local_candidate =
             ExpectReportContainsCandidate(report, info.local_candidate, true);