Revert of Adjust callers and networking delegates in net/ to modified APIs (patchset #6 id:460001 of https://codereview.chromium.org/2265873002/ )

Reason for revert:
This appears to have made Android bots flaky.

Original issue's description:
> Adjust callers and networking delegates in net/ to modified APIs
>
> Use modified Read and delegate methods from the following CL-
> https://codereview.chromium.org/2262653003/
>
> BUG=423484
>
> Committed: https://crrev.com/65db2c48753ba5a516e9a4147f93a9c218d5f76e
> Cr-Commit-Position: refs/heads/master@{#416511}

TBR=maksim.sisov@intel.com
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=423484

Review-Url: https://codereview.chromium.org/2313013002
Cr-Commit-Position: refs/heads/master@{#416719}
30 files changed