Rename layout test filenames with "cat" and "hat" combinators

Rename layout test filenames with "cat" and "hat" combinators

Rename test filenames with obsolete "cat" (^) and "hat" (^^) combinators
to ones that conforming to the current spec (e.g. /deep/ (deep combinator),
::shadow (shadow pseudo element), :host (host pseudo class).

Changes are filenames only and no functional change in
actual tests.

BUG=none
TEST=Run affected layout tests.

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=174074

[kochi, 2014-05-15 05:04:25]

Hi Takashi,

This renames shadow dom layout tests with "cat" or "hat"
in their filenames.

Could you review?

[kochi, 2014-05-15 06:46:35]

+cc hayato

[hayato, 2014-05-15 07:54:33]

lgtm

[kochi, 2014-05-15 08:08:56]

The CQ bit was checked by kochi@chromium.org

[commit-bot: I haz the power, 2014-05-15 08:09:15]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/kochi@chromium.org/289923004/1

[commit-bot: I haz the power, 2014-05-15 09:37:03]

FYI, CQ is re-trying this CL (attempt #1).
Please consider checking whether the failures are real,
and report flakes to chrome-troopers@google.com.
The failing builders are:
  linux_blink_dbg on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/linux_blink_dbg/builds/7489)

[commit-bot: I haz the power, 2014-05-15 10:57:25]

Change committed as 174074