Revert of [instrumentation] Introduce InspectorTraceEvents agent

Revert of [instrumentation] Introduce InspectorTraceEvents agent (patchset #3 id:40001 of https://codereview.chromium.org/2729613008/ )

Reason for revert:
Speculative; looks like this broke component builds for a bunch of people and bots, https://crbug.com/699477

Original issue's description:
> [instrumentation] Introduce InspectorTraceEvents agent
> 
> Clean the instrumented code up by moving "devtools.timeline" trace events into the agent.
> 
> BUG=695625
> 
> Review-Url: https://codereview.chromium.org/2729613008
> Cr-Commit-Position: refs/heads/master@{#455197}
> Committed: https://chromium.googlesource.com/chromium/src/+/931b43e777872ff7d61803326c52371bc8b035a5

TBR=pfeldman@chromium.org,dgozman@chromium.org,alph@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=695625
Review-Url: https://codereview.chromium.org/2737623006
Cr-Commit-Position: refs/heads/master@{#455452}
Committed: https://chromium.googlesource.com/chromium/src/+/0c1275bf5e9c98c1bcb01cb86be187d10ec54b04

[Nico, 2017-03-08 15:07:00]

The CQ bit was checked by thakis@chromium.org

[Nico, 2017-03-08 15:07:01]

Created Revert of [instrumentation] Introduce InspectorTraceEvents agent

[commit-bot: I haz the power, 2017-03-08 15:07:24]

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, 2017-03-08 15:08:19]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1488985620840450, "parent_rev":
"e1585e09d0ee2c2132021ac111e1ffe166f3ee2e", "commit_rev":
"0c1275bf5e9c98c1bcb01cb86be187d10ec54b04"}

[commit-bot: I haz the power, 2017-03-08 15:08:57]

Description was changed from

==========
Revert of [instrumentation] Introduce InspectorTraceEvents agent (patchset #3
id:40001 of https://codereview.chromium.org/2729613008/ )

Reason for revert:
Speculative; looks like this broke component builds for a bunch of people and
bots, https://crbug.com/699477

Original issue's description:
> [instrumentation] Introduce InspectorTraceEvents agent
> 
> Clean the instrumented code up by moving "devtools.timeline" trace events into
the agent.
> 
> BUG=695625
> 
> Review-Url: https://codereview.chromium.org/2729613008
> Cr-Commit-Position: refs/heads/master@{#455197}
> Committed:
https://chromium.googlesource.com/chromium/src/+/931b43e777872ff7d61803326c52...

TBR=pfeldman@chromium.org,dgozman@chromium.org,alph@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=695625
==========

to

==========
Revert of [instrumentation] Introduce InspectorTraceEvents agent (patchset #3
id:40001 of https://codereview.chromium.org/2729613008/ )

Reason for revert:
Speculative; looks like this broke component builds for a bunch of people and
bots, https://crbug.com/699477

Original issue's description:
> [instrumentation] Introduce InspectorTraceEvents agent
> 
> Clean the instrumented code up by moving "devtools.timeline" trace events into
the agent.
> 
> BUG=695625
> 
> Review-Url: https://codereview.chromium.org/2729613008
> Cr-Commit-Position: refs/heads/master@{#455197}
> Committed:
https://chromium.googlesource.com/chromium/src/+/931b43e777872ff7d61803326c52...

TBR=pfeldman@chromium.org,dgozman@chromium.org,alph@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=695625

Review-Url: https://codereview.chromium.org/2737623006
Cr-Commit-Position: refs/heads/master@{#455452}
Committed:
https://chromium.googlesource.com/chromium/src/+/0c1275bf5e9c98c1bcb01cb86be1...
==========

[commit-bot: I haz the power, 2017-03-08 15:08:58]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/0c1275bf5e9c98c1bcb01cb86be1...