Fix find-in-page "1 of 0" bug.

Fix find-in-page "1 of 0" bug.

This patch enabled FindRequestManager to update the active match ordinal
properly when all matches are dynamically removed from the page between
subsequent find requests.

BUG=707798
Review-Url: https://codereview.chromium.org/2790213002
Cr-Commit-Position: refs/heads/master@{#461522}
Committed: https://chromium.googlesource.com/chromium/src/+/0f4e7a51e872861c59e466cbb498caa4ea54b808

[paulmeyer, 2017-04-03 18:23:51]

paulmeyer@chromium.org changed reviewers:
+ lfg@chromium.org

[paulmeyer, 2017-04-03 18:23:52]

+lfg@

[lfg, 2017-04-03 18:33:50]

lgtm

[paulmeyer, 2017-04-03 18:58:47]

The CQ bit was checked by paulmeyer@chromium.org

[commit-bot: I haz the power, 2017-04-03 18:59:29]

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, 2017-04-03 20:26:54]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1491245927433730, "parent_rev":
"502d911b374ab28cb7e73d22cfd5e10770990bc5", "commit_rev":
"0f4e7a51e872861c59e466cbb498caa4ea54b808"}

[commit-bot: I haz the power, 2017-04-03 20:28:08]

Description was changed from

==========
Fix find-in-page "1 of 0" bug.

This patch enabled FindRequestManager to update the active match ordinal
properly when all matches are dynamically removed from the page between
subsequent find requests.

BUG=707798
==========

to

==========
Fix find-in-page "1 of 0" bug.

This patch enabled FindRequestManager to update the active match ordinal
properly when all matches are dynamically removed from the page between
subsequent find requests.

BUG=707798

Review-Url: https://codereview.chromium.org/2790213002
Cr-Commit-Position: refs/heads/master@{#461522}
Committed:
https://chromium.googlesource.com/chromium/src/+/0f4e7a51e872861c59e466cbb498...
==========

[commit-bot: I haz the power, 2017-04-03 20:28:09]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/0f4e7a51e872861c59e466cbb498...