Revert of [sync] Replace FakeServer's implementation with LoopbackServer invocations.

Revert of [sync] Replace FakeServer's implementation with LoopbackServer invocations. (patchset #8 id:140001 of https://codereview.chromium.org/2909173003/ )

Reason for revert:
Breaks several bots.

Example: https://uberchromegw.corp.google.com/i/chromium.linux/builders/Linux%20Tests/builds/57987

Original issue's description:
> Replace FakeServer's implementation with LoopbackServer invocations.
> 
> This makes FakeServer a debugging adapter for LoopbackServer. It mostly
> forwards calls to the actual implementation in the LoopbackServer but
> also allows for simulating various exceptional conditions and deeper
> ispection in the data flow.
> 
> BUG=651415
> TEST=All tests still pass.
> 
> Review-Url: https://codereview.chromium.org/2909173003
> Cr-Commit-Position: refs/heads/master@{#478921}
> Committed: https://chromium.googlesource.com/chromium/src/+/4993d7744127a9b1367c2834908d97397a372c29

TBR=zea@chromium.org,baxley@chromium.org,pastarmovj@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=651415
Review-Url: https://codereview.chromium.org/2938553003
Cr-Commit-Position: refs/heads/master@{#478944}
Committed: https://chromium.googlesource.com/chromium/src/+/3806e2ca7233962157119ad8ac1768fc528013b9

[Henrik Grunell, 2017-06-13 09:07:47]

The CQ bit was checked by grunell@chromium.org

[Henrik Grunell, 2017-06-13 09:07:48]

Created Revert of [sync] Replace FakeServer's implementation with LoopbackServer
invocations.

[commit-bot: I haz the power, 2017-06-13 09:08:00]

CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-06-13 09:08:37]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1497344867957040, "parent_rev":
"7ff812ea2691302e2307ff0e5c645cce989d420b", "commit_rev":
"3806e2ca7233962157119ad8ac1768fc528013b9"}

[commit-bot: I haz the power, 2017-06-13 09:08:49]

Description was changed from

==========
Revert of [sync] Replace FakeServer's implementation with LoopbackServer
invocations. (patchset #8 id:140001 of
https://codereview.chromium.org/2909173003/ )

Reason for revert:
Breaks several bots.

Example:
https://uberchromegw.corp.google.com/i/chromium.linux/builders/Linux%20Tests/...

Original issue's description:
> Replace FakeServer's implementation with LoopbackServer invocations.
> 
> This makes FakeServer a debugging adapter for LoopbackServer. It mostly
> forwards calls to the actual implementation in the LoopbackServer but
> also allows for simulating various exceptional conditions and deeper
> ispection in the data flow.
> 
> BUG=651415
> TEST=All tests still pass.
> 
> Review-Url: https://codereview.chromium.org/2909173003
> Cr-Commit-Position: refs/heads/master@{#478921}
> Committed:
https://chromium.googlesource.com/chromium/src/+/4993d7744127a9b1367c2834908d...

TBR=zea@chromium.org,baxley@chromium.org,pastarmovj@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=651415
==========

to

==========
Revert of [sync] Replace FakeServer's implementation with LoopbackServer
invocations. (patchset #8 id:140001 of
https://codereview.chromium.org/2909173003/ )

Reason for revert:
Breaks several bots.

Example:
https://uberchromegw.corp.google.com/i/chromium.linux/builders/Linux%20Tests/...

Original issue's description:
> Replace FakeServer's implementation with LoopbackServer invocations.
> 
> This makes FakeServer a debugging adapter for LoopbackServer. It mostly
> forwards calls to the actual implementation in the LoopbackServer but
> also allows for simulating various exceptional conditions and deeper
> ispection in the data flow.
> 
> BUG=651415
> TEST=All tests still pass.
> 
> Review-Url: https://codereview.chromium.org/2909173003
> Cr-Commit-Position: refs/heads/master@{#478921}
> Committed:
https://chromium.googlesource.com/chromium/src/+/4993d7744127a9b1367c2834908d...

TBR=zea@chromium.org,baxley@chromium.org,pastarmovj@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=651415

Review-Url: https://codereview.chromium.org/2938553003
Cr-Commit-Position: refs/heads/master@{#478944}
Committed:
https://chromium.googlesource.com/chromium/src/+/3806e2ca7233962157119ad8ac17...
==========

[commit-bot: I haz the power, 2017-06-13 09:08:51]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/3806e2ca7233962157119ad8ac17...