Add url filter to idb perf tests

Add url filter to idb perf tests

This allows you to filter the perf tests with a hashtag. For example, adding '#testCreateAndDeleteDatabase' will run only tests with that name. This is just a debugging thing.

R=ericu@chromium.org
BUG=


Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=151841

[ericu, 2012-08-13 23:35:41]

lgtm

[commit-bot: I haz the power, 2012-08-14 00:05:03]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/alecflett@chromium.org/10826291/1

[commit-bot: I haz the power, 2012-08-14 04:45:00]

Try job failure for 10826291-1 (retry) on linux_chromeos for steps
"browser_tests, content_browsertests".
It's a second try, previously, steps "interactive_ui_tests, browser_tests,
content_unittests, unit_tests, content_browsertests" failed.
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=linux_chro...

[commit-bot: I haz the power, 2012-08-15 17:07:44]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/alecflett@chromium.org/10826291/1

[commit-bot: I haz the power, 2012-08-15 18:16:44]

Try job failure for 10826291-1 (retry) on win_rel for step "compile" (clobber
build).
It's a second try, previously, step "compile" failed.
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=win_rel&nu...

[commit-bot: I haz the power, 2012-08-15 18:20:22]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/alecflett@chromium.org/10826291/1

[commit-bot: I haz the power, 2012-08-15 18:28:00]

Try job failure for 10826291-1 on mac_rel for step "update".
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=mac_rel&nu...

Step "update" is always a major failure.
Look at the try server FAQ for more details.

[commit-bot: I haz the power, 2012-08-15 18:45:56]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/alecflett@chromium.org/10826291/1

[alecflett, 2012-08-15 18:45:56]

(sorry for the spam - I swear this patch is cursed. that last one was just the
try server dying during the update, before even getting to my patch)

[commit-bot: I haz the power, 2012-08-15 20:01:07]

Try job failure for 10826291-1 (retry) on linux_rel for step "update".
It's a second try, previously, step "interactive_ui_tests" failed.
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=linux_rel&...

Step "update" is always a major failure.
Look at the try server FAQ for more details.

[commit-bot: I haz the power, 2012-08-15 23:08:30]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/alecflett@chromium.org/10826291/1

[commit-bot: I haz the power, 2012-08-16 03:27:07]

Change committed as 151841