Clean up old dead code.

Clean up old dead code.
This is the remains of http://codereview.chromium.org/6904063/, a 4-part commit that stalled with full functionality but before full cleanup because I went on leave.

Reviewers: Tony for webkit/tools/test_shell ownership, Michael for everything else.

BUG=none
TEST=existing filesystem tests


Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=99800

[ericu, 2011-08-31 21:27:20]

This should be an easy one.

[ericu, 2011-08-31 21:28:04]

+tony, OWNER of test_shell.

[michaeln, 2011-08-31 21:28:23]

lgtm, nice to see deleted stuff :)

[tony, 2011-08-31 21:30:05]

test_shell LGTM

[commit-bot: I haz the power, 2011-09-01 02:04:28]

Try job failure for 7820005-1 on win for steps "update_scripts, update".
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=win&number...

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

[commit-bot: I haz the power, 2011-09-01 17:50:10]

Try job failure for 7820005-1 (retry) on mac for step "compile" (clobber build).
It's a second try, previously, step "compile" failed.
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=mac&number...

[commit-bot: I haz the power, 2011-09-06 20:28:08]

Change committed as 99800