Fixed Navigation callbacks for reloading native context.

Fixed Navigation callbacks for reloading native context.

Notable changes:
 - DidStartNavigation, DidFinishNavigation is now called
 - PageTransition is updated to PAGE_TRANSITION_RELOAD
 - DidStartLoading, DidStopLoading is now called
 - PageLoaded(SUCCESS) is now called

The primary reason for this change is to fix PageTransition, which will
allow replacing -[CRWWebDelegate webWillReload] with DidStartNavigation.

BUG=725985
Review-Url: https://codereview.chromium.org/2902083003
Cr-Commit-Position: refs/heads/master@{#474416}
Committed: https://chromium.googlesource.com/chromium/src/+/f073ae8c53e657b2dbbd1387f747d79cacefc71c

[Eugene But (OOO till 7-30), 2017-05-24 17:45:40]

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

[commit-bot: I haz the power, 2017-05-24 17:46:28]

Dry run: 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, 2017-05-24 18:04:26]

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

[commit-bot: I haz the power, 2017-05-24 18:04:27]

Dry run: This issue passed the CQ dry run.

[Eugene But (OOO till 7-30), 2017-05-24 18:30:26]

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

[kkhorimoto, 2017-05-24 20:38:37]

lgtm

[Eugene But (OOO till 7-30), 2017-05-24 20:48:37]

Thanks for a quick review!

[Eugene But (OOO till 7-30), 2017-05-24 20:48:40]

The CQ bit was checked by eugenebut@chromium.org

[commit-bot: I haz the power, 2017-05-24 20:49:30]

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, 2017-05-24 20:55:02]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1495658920841510, "parent_rev":
"2614b90ab83cd2fc4512d7b28dd7ba72cc28d197", "commit_rev":
"f073ae8c53e657b2dbbd1387f747d79cacefc71c"}

[commit-bot: I haz the power, 2017-05-24 20:55:16]

Description was changed from

==========
Fixed Navigation callbacks for reloading native context.

Notable changes:
 - DidStartNavigation, DidFinishNavigation is now called
 - PageTransition is updated to PAGE_TRANSITION_RELOAD
 - DidStartLoading, DidStopLoading is now called
 - PageLoaded(SUCCESS) is now called

The primary reason for this change is to fix PageTransition, which will
allow replacing -[CRWWebDelegate webWillReload] with DidStartNavigation.

BUG=725985
==========

to

==========
Fixed Navigation callbacks for reloading native context.

Notable changes:
 - DidStartNavigation, DidFinishNavigation is now called
 - PageTransition is updated to PAGE_TRANSITION_RELOAD
 - DidStartLoading, DidStopLoading is now called
 - PageLoaded(SUCCESS) is now called

The primary reason for this change is to fix PageTransition, which will
allow replacing -[CRWWebDelegate webWillReload] with DidStartNavigation.

BUG=725985

Review-Url: https://codereview.chromium.org/2902083003
Cr-Commit-Position: refs/heads/master@{#474416}
Committed:
https://chromium.googlesource.com/chromium/src/+/f073ae8c53e657b2dbbd1387f747...
==========

[commit-bot: I haz the power, 2017-05-24 20:55:18]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/f073ae8c53e657b2dbbd1387f747...