Implement framesEncoded stat in video send ssrc stats.

webrtc/video/send_statistics_proxy_unittest.cc

 /*
  *  Copyright (c) 2013 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.
  */
 
@@ skipping 283 matching lines @@
   VideoSendStream::Stats stats = statistics_proxy_->GetStats();
   EXPECT_EQ(0, stats.preferred_media_bitrate_bps);
   const int kPreferredMediaBitrateBps = 50;
 
   VideoEncoderConfig config;
   statistics_proxy_->OnEncoderReconfigured(config, kPreferredMediaBitrateBps);
   stats = statistics_proxy_->GetStats();
   EXPECT_EQ(kPreferredMediaBitrateBps, stats.preferred_media_bitrate_bps);
 }
 
+TEST_F(SendStatisticsProxyTest, OnSendEncodedImageIncreasesFramesEncoded) {
+  EncodedImage encoded_image;
+  CodecSpecificInfo codec_info;
+  EXPECT_EQ(0, statistics_proxy_->GetStats().frames_encoded);
+  for (int i = 1; i <= 3; i++) {

[tommi, 2016/10/17 22:54:36]

++i

[sakal, 2016/10/18 07:59:50]

Done.

+    statistics_proxy_->OnSendEncodedImage(encoded_image, &codec_info);
+    EXPECT_EQ(i, statistics_proxy_->GetStats().frames_encoded);
+  }
+}
+
 TEST_F(SendStatisticsProxyTest, SwitchContentTypeUpdatesHistograms) {
   const int kWidth = 640;
   const int kHeight = 480;
 
   for (int i = 0; i < kMinRequiredSamples; ++i)
     statistics_proxy_->OnIncomingFrame(kWidth, kHeight);
 
   // No switch, stats should not be updated.
   VideoEncoderConfig config;
   config.content_type = VideoEncoderConfig::ContentType::kRealtimeVideo;
@@ skipping 443 matching lines @@
 
   EXPECT_EQ(
       1, metrics::NumSamples("WebRTC.Video.Screenshare.FecBitrateSentInKbps"));
   EXPECT_EQ(1, metrics::NumEvents(
                    "WebRTC.Video.Screenshare.FecBitrateSentInKbps",
                    static_cast<int>((rtx_counters.fec.TotalBytes() * 2 * 8) /
                                     metrics::kMinRunTimeInSeconds / 1000)));
 }
 
 }  // namespace webrtc