Display the web view after commit for non-user-initiated loads.

Display the web view after commit for non-user-initiated loads.

The toolbar's visibility and URL is dependent on the visible URL.
However, the previous implementation of |-ensureWebViewCreated| would
immediately add web view to the hierarchy, even for non-user-initiated
loads.  This CL updates the web view display logic so that it is
displayed at the same time as the toolbar updating.

BUG=703222
Review-Url: https://codereview.chromium.org/2820013003
Cr-Commit-Position: refs/heads/master@{#465365}
(cherry picked from commit cd2e9b497d8623d1c2844b6df874e42f865c2631)

Review-Url: https://codereview.chromium.org/2872823002 .
Cr-Commit-Position: refs/branch-heads/3071@{#470}
Cr-Branched-From: a106f0abbf69dad349d4aaf4bcc4f5d376dd2377-refs/heads/master@{#464641}
Committed: https://chromium.googlesource.com/chromium/src/+/f10bd0a68a24c6c58a7f4d67e5dc2d090ddce05c

[kkhorimoto, 2017-05-08 22:04:05]

Description was changed from

==========
Display the web view after commit for non-user-initiated loads.

The toolbar's visibility and URL is dependent on the visible URL.
However, the previous implementation of |-ensureWebViewCreated| would
immediately add web view to the hierarchy, even for non-user-initiated
loads.  This CL updates the web view display logic so that it is
displayed at the same time as the toolbar updating.

BUG=703222

Review-Url: https://codereview.chromium.org/2820013003
Cr-Commit-Position: refs/heads/master@{#465365}
(cherry picked from commit cd2e9b497d8623d1c2844b6df874e42f865c2631)
==========

to

==========
Display the web view after commit for non-user-initiated loads.

The toolbar's visibility and URL is dependent on the visible URL.
However, the previous implementation of |-ensureWebViewCreated| would
immediately add web view to the hierarchy, even for non-user-initiated
loads.  This CL updates the web view display logic so that it is
displayed at the same time as the toolbar updating.

BUG=703222

Review-Url: https://codereview.chromium.org/2820013003
Cr-Commit-Position: refs/heads/master@{#465365}
(cherry picked from commit cd2e9b497d8623d1c2844b6df874e42f865c2631)

Review-Url: https://codereview.chromium.org/2872823002 .
Cr-Commit-Position: refs/branch-heads/3071@{#470}
Cr-Branched-From:
a106f0abbf69dad349d4aaf4bcc4f5d376dd2377-refs/heads/master@{#464641}
Committed:
https://chromium.googlesource.com/chromium/src/+/f10bd0a68a24c6c58a7f4d67e5dc...
==========

[kkhorimoto, 2017-05-08 22:04:07]

Committed patchset #1 (id:1) manually as
f10bd0a68a24c6c58a7f4d67e5dc2d090ddce05c.