Update stats for cpu/quality adaptation changes to excluded time when video is suspended.

webrtc/video/send_statistics_proxy.h

Index: webrtc/video/send_statistics_proxy.h
diff --git a/webrtc/video/send_statistics_proxy.h b/webrtc/video/send_statistics_proxy.h
index 23558ab8f6905ac0f3bc108b9f795fb8cb4e2003..537d03c0c6d50a1082e907619321e21d5758a8a0 100644
--- a/webrtc/video/send_statistics_proxy.h
+++ b/webrtc/video/send_statistics_proxy.h
@@ -170,7 +170,8 @@ class SendStatisticsProxy : public CpuOveruseMetricsObserver,
   uint32_t last_sent_frame_timestamp_ GUARDED_BY(crit_);
   std::map<uint32_t, StatsUpdateTimes> update_times_ GUARDED_BY(crit_);
   rtc::ExpFilter encode_time_ GUARDED_BY(crit_);
-  int quality_downscales_ GUARDED_BY(crit_) = 0;
+  int quality_downscales_ GUARDED_BY(crit_) = -1;

[brandtr, 2017/04/07 06:42:02]

No other members are initialized here, so probably better to move these 
initializations to the constructor too.

[åsapersson, 2017/04/07 07:13:33]

Done.

+  int cpu_downscales_ GUARDED_BY(crit_) = -1;
 
   // Contains stats used for UMA histograms. These stats will be reset if
   // content type changes between real-time video and screenshare, since these