Remove obsolete SharedTimer code in chromium

Remove obsolete SharedTimer code in chromium

Blink no longer uses the SharedTimer, so we can remove the obsolete
chromium support code.

BUG=463143
Committed: https://crrev.com/662d7c313c3f2162515de6a8b77f89afb99113d8
Cr-Commit-Position: refs/heads/master@{#335485}

[alex clarke (OOO till 29th), 2015-04-10 15:50:20]

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

[Sami, 2015-04-10 16:18:11]

Yay, good riddance. lgtm!

[alex clarke (OOO till 29th), 2015-06-09 09:36:14]

alexclarke@chromium.org changed reviewers:
+ jochen@chromium.org

[alex clarke (OOO till 29th), 2015-06-09 09:36:15]

Hi Jochen can I get an OWNERS review please?

[alex clarke (OOO till 29th), 2015-06-09 09:57:55]

The CQ bit was checked by alexclarke@chromium.org to run a CQ dry run

[alex clarke (OOO till 29th), 2015-06-09 09:57:55]

The patchset sent to the CQ was uploaded after l-g-t-m from
skyostil@chromium.org
Link to the patchset: https://codereview.chromium.org/1078173002/#ps100001
(title: "Rebase")

[commit-bot: I haz the power, 2015-06-09 09:58:03]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1078173002/100001

[commit-bot: I haz the power, 2015-06-09 10:11:10]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-06-09 10:11:11]

Dry run: Try jobs failed on following builders:
  linux_chromium_gn_chromeos_rel on tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[alex clarke (OOO till 29th), 2015-06-09 10:14:50]

The CQ bit was checked by alexclarke@chromium.org to run a CQ dry run

[alex clarke (OOO till 29th), 2015-06-09 10:14:51]

The patchset sent to the CQ was uploaded after l-g-t-m from
skyostil@chromium.org
Link to the patchset: https://codereview.chromium.org/1078173002/#ps120001
(title: "Fix test")

[commit-bot: I haz the power, 2015-06-09 10:15:13]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1078173002/120001

[commit-bot: I haz the power, 2015-06-09 12:18:36]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-06-09 12:18:37]

Dry run: This issue passed the CQ dry run.

[jochen (gone - plz use gerrit), 2015-06-10 07:11:18]

please also remove the code from components/html_viewer/blink_platform_impl.* 

lgtm

[alex clarke (OOO till 29th), 2015-06-10 11:22:43]

On 2015/06/10 07:11:18, jochen wrote:
> please also remove the code from components/html_viewer/blink_platform_impl.* 
> 
> lgtm

Done, PTAL

[alex clarke (OOO till 29th), 2015-06-10 11:23:20]

The CQ bit was checked by alexclarke@chromium.org to run a CQ dry run

[alex clarke (OOO till 29th), 2015-06-10 11:23:20]

The patchset sent to the CQ was uploaded after l-g-t-m from jochen@chromium.org,
skyostil@chromium.org
Link to the patchset: https://codereview.chromium.org/1078173002/#ps140001
(title: "Remove from html_viewer too")

[commit-bot: I haz the power, 2015-06-10 11:23:28]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1078173002/140001

[commit-bot: I haz the power, 2015-06-10 12:17:44]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-06-10 12:17:44]

Dry run: This issue passed the CQ dry run.

[jochen (gone - plz use gerrit), 2015-06-11 12:46:18]

still lgtm, thx

[alex clarke (OOO till 29th), 2015-06-22 09:54:08]

The CQ bit was checked by alexclarke@chromium.org

[alex clarke (OOO till 29th), 2015-06-22 09:54:08]

The patchset sent to the CQ was uploaded after l-g-t-m from jochen@chromium.org,
skyostil@chromium.org
Link to the patchset: https://codereview.chromium.org/1078173002/#ps160001
(title: "Rebase")

[commit-bot: I haz the power, 2015-06-22 09:54:20]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1078173002/160001

[commit-bot: I haz the power, 2015-06-22 10:56:23]

Committed patchset #9 (id:160001)

[commit-bot: I haz the power, 2015-06-22 10:57:22]

Patchset 9 (id:??) landed as
https://crrev.com/662d7c313c3f2162515de6a8b77f89afb99113d8
Cr-Commit-Position: refs/heads/master@{#335485}