This reverts commit 54caa4b68a0acb81c7f6ef60ffec45b473a7e1a2. Reason for revert: Crashes on some perf tests. https://logs.chromium.org/v/?s=chromium%2Fbb%2Fclient.webrtc.perf%2FLinux_Trusty%2F7170%2F%2B%2Frecipes%2Fsteps%2Fwebrtc_perf_tests%2F0%2Fstdout Original change's description: > Decrease complexity of RtpPacketHistory::GetBestFittingPacket. > Use a map of packet sizes in RtpPacketHistory instead of looping through the whole history for every call. > > Bug: webrtc:9731 > Change-Id: I44a4f6221e261a6cb3d5039edfa7556a102ee6f1 > Reviewed-on: https://webrtc-review.googlesource.com/98882 > Reviewed-by: Erik Språng <sprang@webrtc.org> > Reviewed-by: Danil Chapovalov <danilchap@webrtc.org> > Commit-Queue: Per Kjellander <perkj@webrtc.org> > Cr-Commit-Position: refs/heads/master@{#24662} TBR=danilchap@webrtc.org,sprang@webrtc.org,perkj@webrtc.org Change-Id: Id183cd31a67117e9614d163e4388131fd88de07d No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: webrtc:9731 Reviewed-on: https://webrtc-review.googlesource.com/99440 Reviewed-by: Per Kjellander <perkj@webrtc.org> Commit-Queue: Per Kjellander <perkj@webrtc.org> Cr-Commit-Position: refs/heads/master@{#24665}