Revert of Remove |remote| and |readonly| members of MediaStreamTrack (patchset #10 id:200001 of https://codereview.chromium.org/2425703002/ )

Reason for revert:
Failure on webkit_tests:

https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20Trusty/builds/23714

external/wpt/mediacapture-streams/MediaStreamTrack-init.https.html

Original issue's description:
> Remove |remote| and |readonly| members of MediaStreamTrack.
>
> Spec reference:
> http://w3c.github.io/mediacapture-main/getusermedia.html#attributes-1
>
> removal was in the February 22, 2016'.
> [#321] Remove track attributes "remote" and "readonly" :
> https://github.com/w3c/mediacapture-main/pull/321
>
> Intent to Deprecate and Remove :
> https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/d20ECb2sWzI
>
> BUG=598704
>
> Review-Url: https://codereview.chromium.org/2425703002
> Cr-Commit-Position: refs/heads/master@{#452851}
> Committed: https://chromium.googlesource.com/chromium/src/+/a72385a6addeb6194d3568beda3f352e07c97260

TBR=jochen@chromium.org,bbudge@chromium.org,drott@chromium.org,esprehn@chromium.org,hongchan@chromium.org,hta@chromium.org,mcasas@chromium.org,miu@chromium.org,peter@chromium.org,scottmg@chromium.org,peary2@gmail.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=598704

Review-Url: https://codereview.chromium.org/2710213005
Cr-Commit-Position: refs/heads/master@{#452862}
43 files changed