Revert "HTML Imports: Fix yet another FOUC"

Revert "HTML Imports: Fix yet another FOUC"

This reverts commit 7a3247bf431e08ab54c66fc5325855c129ed380a.

Did conflict and resolved:
	LayoutTests/fast/html/imports/import-element-removed-flag.html
	LayoutTests/fast/html/imports/resources/import-helpers.js

BUG=367386
TBR=esprehn@chromium.org

[Hajime Morrita, 2014-05-07 23:43:18]

The CQ bit was checked by morrita@chromium.org

[commit-bot: I haz the power, 2014-05-07 23:44:17]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/morrita@chromium.org/270623007/1

[Hajime Morrita, 2014-05-07 23:53:20]

The CQ bit was unchecked by morrita@chromium.org

[Hajime Morrita, 2014-05-07 23:53:56]

The CQ bit was checked by morrita@chromium.org

[commit-bot: I haz the power, 2014-05-07 23:55:00]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/morrita@chromium.org/270623007/1

[commit-bot: I haz the power, 2014-05-08 01:05:44]

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

[Hajime Morrita, 2014-05-08 01:13:23]

The CQ bit was checked by morrita@chromium.org

[commit-bot: I haz the power, 2014-05-08 01:14:12]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/morrita@chromium.org/270623007/2

[commit-bot: I haz the power, 2014-05-08 02:28:02]

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
  linux_blink_rel on tryserver.blink
  win_blink_rel on tryserver.blink

[commit-bot: I haz the power, 2014-05-08 03:46:41]

FYI, CQ is re-trying this CL (attempt #2).
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
  linux_blink_rel on tryserver.blink
  win_blink_rel on tryserver.blink

[commit-bot: I haz the power, 2014-05-08 04:59:58]

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

[commit-bot: I haz the power, 2014-05-08 04:59:59]

Try jobs failed on following builders:
  linux_blink_dbg on tryserver.blink

[esprehn, 2014-05-08 05:10:33]

On 2014/05/08 04:59:59, I haz the power (commit-bot) wrote:
> Try jobs failed on following builders:
>   linux_blink_dbg on tryserver.blink

It looks like your test is flaky.

[gmorrita, 2014-05-08 16:39:38]

Probably we should just land revised version.Let me see.