Have MixedContentChecker and ProgressTracker keep a LocalFrame Member.

Have MixedContentChecker and ProgressTracker keep a LocalFrame Member.

Tidy up the Oilpan handling of these two FrameLoader-owned objects,
and arrange it so that their LocalFrame back references are correctly
traced.

R=haraken,mkwst
BUG=340522
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=182652

[sof, 2014-09-24 13:50:21]

sigbjornf@opera.com changed reviewers:
+ mkwst@chromium.org, oilpan-reviews@chromium.org

[sof, 2014-09-24 13:50:21]

Please take a look.

mkwst: if https://codereview.chromium.org/566533003 will be re-landed soon, then
leaving MixedContentChecker alone here is certainly an option.

[haraken, 2014-09-24 14:00:17]

LGTM

[Mike West, 2014-09-24 14:00:38]

On 2014/09/24 13:50:21, sof wrote:
> Please take a look.

LGTM.

> mkwst: if https://codereview.chromium.org/566533003 will be re-landed soon,
then
> leaving MixedContentChecker alone here is certainly an option.

I do plan on relanding it soon, but probably in pieces, so we can see what
actually broke ChromeOS, as I can't actually reproduce the issue. :/

[sof, 2014-09-24 15:18:41]

The CQ bit was checked by sigbjornf@opera.com

[commit-bot: I haz the power, 2014-09-24 15:20:04]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/596653006/1

[commit-bot: I haz the power, 2014-09-24 16:43:29]

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

[commit-bot: I haz the power, 2014-09-24 16:43:31]

Try jobs failed on following builders:
  win_blink_rel on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/win_blink_rel/builds/28602)

[sof, 2014-09-24 17:48:11]

The CQ bit was checked by sigbjornf@opera.com

[commit-bot: I haz the power, 2014-09-24 17:48:30]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/596653006/1

[commit-bot: I haz the power, 2014-09-24 20:00:01]

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

[commit-bot: I haz the power, 2014-09-24 20:00:02]

Try jobs failed on following builders:
  win_blink_rel on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/win_blink_rel/builds/28632)

[sof, 2014-09-25 05:29:36]

The CQ bit was checked by sigbjornf@opera.com

[commit-bot: I haz the power, 2014-09-25 05:30:52]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/596653006/1

[commit-bot: I haz the power, 2014-09-25 06:42:02]

Committed patchset #1 (id:1) as 182652