Implement framesEncoded stat in video send ssrc stats.

webrtc/media/engine/webrtcvideoengine2_unittest.cc

Index: webrtc/media/engine/webrtcvideoengine2_unittest.cc
diff --git a/webrtc/media/engine/webrtcvideoengine2_unittest.cc b/webrtc/media/engine/webrtcvideoengine2_unittest.cc
index 0a40e0469d65fa02e03acb1ee7064aa7ea955638..dff2a6bd4298c7d73bee40dfbdf1fac8aa963240 100644
--- a/webrtc/media/engine/webrtcvideoengine2_unittest.cc
+++ b/webrtc/media/engine/webrtcvideoengine2_unittest.cc
@@ -2894,6 +2894,17 @@ TEST_F(WebRtcVideoChannel2Test, GetStatsReportsCpuOveruseMetrics) {
   EXPECT_EQ(stats.encode_usage_percent, info.senders[0].encode_usage_percent);
 }
 
+TEST_F(WebRtcVideoChannel2Test, GetStatsReportsFramesEncoded) {
+  FakeVideoSendStream* stream = AddSendStream();
+  webrtc::VideoSendStream::Stats stats;
+  stats.frames_encoded = 13;
+  stream->SetStats(stats);
+
+  cricket::VideoMediaInfo info;
+  ASSERT_TRUE(channel_->GetStats(&info));
+  EXPECT_EQ(stats.frames_encoded, info.senders[0].frames_encoded);
+}
+
 TEST_F(WebRtcVideoChannel2Test, GetStatsReportsUpperResolution) {
   FakeVideoSendStream* stream = AddSendStream();
   webrtc::VideoSendStream::Stats stats;