Remove CRWSessionEntry usage from BrowserViewController.

Remove CRWSessionEntry usage from BrowserViewController.

This CL also removes |-currentSessionEntry| from
PreloadControllerDelegate, as it is unused.

BUG=454984, 546348
Review-Url: https://codereview.chromium.org/2690943006
Cr-Commit-Position: refs/heads/master@{#452254}
Committed: https://chromium.googlesource.com/chromium/src/+/8793cf8e2e26093c0e38af20be24864c0d1a3cff

[kkhorimoto, 2017-02-15 00:09:53]

kkhorimoto@chromium.org changed reviewers:
+ eugenebut@chromium.org

[kkhorimoto, 2017-02-15 00:09:59]

The CQ bit was checked by kkhorimoto@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-02-15 00:10:47]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[Eugene But (OOO till 7-30), 2017-02-15 01:18:28]

lgtm

[commit-bot: I haz the power, 2017-02-15 01:42:19]

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

[commit-bot: I haz the power, 2017-02-15 01:42:20]

Dry run: This issue passed the CQ dry run.

[kkhorimoto, 2017-02-22 22:41:36]

The CQ bit was checked by kkhorimoto@chromium.org

[commit-bot: I haz the power, 2017-02-22 22:42:35]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-02-22 22:58:25]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1487803296014790,
"parent_rev": "ceabef6794ee9885b0a3f52f5c948a8bee079a2c", "commit_rev":
"8793cf8e2e26093c0e38af20be24864c0d1a3cff"}

[commit-bot: I haz the power, 2017-02-22 22:59:48]

Description was changed from

==========
Remove CRWSessionEntry usage from BrowserViewController.

This CL also removes |-currentSessionEntry| from
PreloadControllerDelegate, as it is unused.

BUG=454984, 546348
==========

to

==========
Remove CRWSessionEntry usage from BrowserViewController.

This CL also removes |-currentSessionEntry| from
PreloadControllerDelegate, as it is unused.

BUG=454984, 546348

Review-Url: https://codereview.chromium.org/2690943006
Cr-Commit-Position: refs/heads/master@{#452254}
Committed:
https://chromium.googlesource.com/chromium/src/+/8793cf8e2e26093c0e38af20be24...
==========

[commit-bot: I haz the power, 2017-02-22 22:59:48]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/chromium/src/+/8793cf8e2e26093c0e38af20be24...

[lody, 2017-02-23 12:21:43]

A revert of this CL (patchset #2 id:20001) has been created in
https://codereview.chromium.org/2712933002/ by lod@chromium.org.

The reason for reverting is: Tests VisibleURLTestCase.testHistoryNavigation and
FormsTestCase.testRepostFormAfterIndexNavigation are broken ( see
https://bugs.chromium.org/p/chromium/issues/detail?id=695413 ) by issue
2693013005 which requires reverting this change to revert..