This reverts commit 70490aa3a0b08c9342ea9a12d5ac1fa9666fb7fb. Reason for revert: Breaks downstream project. Original change's description: > Delete legacy DataSize and DataRate factories > > Bug: webrtc:9709 > Change-Id: Ia9464893ec9868c51d72eedaee8efc82b0c17b28 > Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/168722 > Reviewed-by: Sebastian Jansson <srte@webrtc.org> > Commit-Queue: Danil Chapovalov <danilchap@webrtc.org> > Cr-Commit-Position: refs/heads/master@{#30564} TBR=danilchap@webrtc.org,srte@webrtc.org Change-Id: I3f5a8b4ec473bd2af80ca3acfe0e9c82f25a12ba No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: webrtc:9709 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/168940 Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#30574}