Your change meets the bar and is auto-approved for M62. Please go ahead and merge the CL to branch 3202 manually. Please contact milestone owner if you have questions.
Owners: amineer@(Android), cmasso@(iOS), bhthompson@(ChromeOS), abdulsyed@(Desktop)

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The following revision refers to this bug:
  https://chromium.googlesource.com/external/webrtc.git/+/7f333377b8d7bda58cd262cd8d698d60347d7a3c

commit 7f333377b8d7bda58cd262cd8d698d60347d7a3c
Author: ilnik <ilnik@webrtc.org>
Date: Fri Sep 08 10:12:18 2017

Piggybacking simulcast id and ALR experiment id into video content type extension. Use it to slice UMA video receive statis.
Merge into M62. Original was reviewed here: https://codereview.webrtc.org/2986893002

BUG= webrtc:8032 , chromium:762867 
NOTRY=true
NOPRESUBMIT=true

Review-Url: https://codereview.webrtc.org/2986893002
Cr-Original-Commit-Position: refs/heads/master@{#19598}
(cherry picked from commit 6d5b4d6fe13951a7f3f6ed3d3b29bc601920e381)
Review-Url: https://codereview.webrtc.org/3013503002
Cr-Commit-Position: refs/branch-heads/62@{#4}
Cr-Branched-From: 85e6a4ba1372f21b8648ffaad2fd19a76a8bb316-refs/heads/master@{#19592}

[modify] https://crrev.com/7f333377b8d7bda58cd262cd8d698d60347d7a3c/webrtc/api/BUILD.gn
[add] https://crrev.com/7f333377b8d7bda58cd262cd8d698d60347d7a3c/webrtc/api/video/video_content_type.cc
[modify] https://crrev.com/7f333377b8d7bda58cd262cd8d698d60347d7a3c/webrtc/api/video/video_content_type.h
[modify] https://crrev.com/7f333377b8d7bda58cd262cd8d698d60347d7a3c/webrtc/common_video/include/video_frame.h
[modify] https://crrev.com/7f333377b8d7bda58cd262cd8d698d60347d7a3c/webrtc/modules/pacing/alr_detector.cc
[modify] https://crrev.com/7f333377b8d7bda58cd262cd8d698d60347d7a3c/webrtc/modules/pacing/alr_detector.h
[modify] https://crrev.com/7f333377b8d7bda58cd262cd8d698d60347d7a3c/webrtc/modules/rtp_rtcp/source/rtp_header_extensions.cc
[modify] https://crrev.com/7f333377b8d7bda58cd262cd8d698d60347d7a3c/webrtc/modules/rtp_rtcp/source/rtp_utility.cc
[modify] https://crrev.com/7f333377b8d7bda58cd262cd8d698d60347d7a3c/webrtc/modules/video_coding/BUILD.gn
[modify] https://crrev.com/7f333377b8d7bda58cd262cd8d698d60347d7a3c/webrtc/modules/video_coding/frame_buffer2.cc
[modify] https://crrev.com/7f333377b8d7bda58cd262cd8d698d60347d7a3c/webrtc/modules/video_coding/frame_buffer2_unittest.cc
[modify] https://crrev.com/7f333377b8d7bda58cd262cd8d698d60347d7a3c/webrtc/modules/video_coding/generic_encoder.cc
[modify] https://crrev.com/7f333377b8d7bda58cd262cd8d698d60347d7a3c/webrtc/modules/video_coding/generic_encoder.h
[modify] https://crrev.com/7f333377b8d7bda58cd262cd8d698d60347d7a3c/webrtc/modules/video_coding/include/video_coding_defines.h
[modify] https://crrev.com/7f333377b8d7bda58cd262cd8d698d60347d7a3c/webrtc/system_wrappers/include/metrics.h
[modify] https://crrev.com/7f333377b8d7bda58cd262cd8d698d60347d7a3c/webrtc/video/end_to_end_tests.cc
[modify] https://crrev.com/7f333377b8d7bda58cd262cd8d698d60347d7a3c/webrtc/video/receive_statistics_proxy.cc
[modify] https://crrev.com/7f333377b8d7bda58cd262cd8d698d60347d7a3c/webrtc/video/receive_statistics_proxy.h
[modify] https://crrev.com/7f333377b8d7bda58cd262cd8d698d60347d7a3c/webrtc/video/receive_statistics_proxy_unittest.cc
[modify] https://crrev.com/7f333377b8d7bda58cd262cd8d698d60347d7a3c/webrtc/video/video_send_stream_tests.cc
[modify] https://crrev.com/7f333377b8d7bda58cd262cd8d698d60347d7a3c/webrtc/video/video_stream_decoder.cc
[modify] https://crrev.com/7f333377b8d7bda58cd262cd8d698d60347d7a3c/webrtc/video/video_stream_decoder.h

This issue has been approved for a merge. Please merge the fix to any appropriate branches as soon as possible!

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