[Telemetry] Remove RunTaskExecutionTime method

[Telemetry] Remove RunTaskExecutionTime method

BUG=418375
Committed: https://crrev.com/02d750113b2e1863619d5c397edf22bbeb4e3cb6
Cr-Commit-Position: refs/heads/master@{#301374}

[nednguyen, 2014-10-24 23:34:22]

nednguyen@google.com changed reviewers:
+ ernstm@chromium.org, picksi@chromium.org, skyostil@google.com

[Sami, 2014-10-27 12:39:44]

skyostil@chromium.org changed reviewers:
+ skyostil@chromium.org

[Sami, 2014-10-27 12:39:45]

lgtm. I don't think we want to do any special interaction for task execution
times, right Simon?

[Sami, 2014-10-27 12:40:40]

Oops, You'll need to update tools/perf/page_sets/tough_scheduling_cases.py too.

[picksi1, 2014-10-27 12:47:31]

No, this should be OK. I'd kept them separate in case we needed it in future,
but the YAGNI rule clearly applies here if there is a wider refactor going on!

[nednguyen, 2014-10-27 15:11:05]

The CQ bit was checked by nednguyen@google.com

[commit-bot: I haz the power, 2014-10-27 15:11:50]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/673373002/20001

[commit-bot: I haz the power, 2014-10-27 16:11:25]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2014-10-27 16:12:10]

Patchset 2 (id:??) landed as
https://crrev.com/02d750113b2e1863619d5c397edf22bbeb4e3cb6
Cr-Commit-Position: refs/heads/master@{#301374}