Revert of Stop updating context menu task items when not changed.

Revert of Stop updating context menu task items when not changed. (patchset #2 id:20001 of https://codereview.chromium.org/2932803002/ )

Reason for revert:
We'd like to revert 2833413003 because it caused regression crbug.com/738803.
This is change depends on 2833413003.

Original issue's description:
> Stop updating context menu task items when not changed.
> 
> During FileSelectionHandler.EventType.CHANGE to CHANGE_THROTTLED,
> existing task items in context menu were overwritten by a temporary
> item. File copy operation fires CHANGE and CHANGE_THROTTLED repeatedly,
> which leads to flickering context menu during copy.
> If selection is not changed, we should not clear the task items in the
> context menu.
> 
> BUG=731483
> TEST=manual
> CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation
> 
> Review-Url: https://codereview.chromium.org/2932803002
> Cr-Commit-Position: refs/heads/master@{#478239}
> Committed: https://chromium.googlesource.com/chromium/src/+/f8c224c31c133a07f58a8d922ec15aa730c06cde

TBR=oka@chromium.org,fukino@chromium.org,tetsui@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=731483, 738803
Review-Url: https://codereview.chromium.org/2973003002
Cr-Commit-Position: refs/heads/master@{#484500}
Committed: https://chromium.googlesource.com/chromium/src/+/aa4c54cbd611f55c475eda159865c7134442f71c

[yamaguchi, 2017-07-06 04:44:20]

Created Revert of Stop updating context menu task items when not changed.

[tetsui, 2017-07-06 07:57:00]

lgtm

[yamaguchi, 2017-07-06 08:19:11]

Description was changed from

==========
Revert of Stop updating context menu task items when not changed. (patchset #2
id:20001 of https://codereview.chromium.org/2932803002/ )

Reason for revert:
We'd like to revert 2833413003 because it caused regression crbug.com/738803.
This is change depends on 2833413003.

Original issue's description:
> Stop updating context menu task items when not changed.
> 
> During FileSelectionHandler.EventType.CHANGE to CHANGE_THROTTLED,
> existing task items in context menu were overwritten by a temporary
> item. File copy operation fires CHANGE and CHANGE_THROTTLED repeatedly,
> which leads to flickering context menu during copy.
> If selection is not changed, we should not clear the task items in the
> context menu.
> 
> BUG=731483
> TEST=manual
> CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation
> 
> Review-Url: https://codereview.chromium.org/2932803002
> Cr-Commit-Position: refs/heads/master@{#478239}
> Committed:
https://chromium.googlesource.com/chromium/src/+/f8c224c31c133a07f58a8d922ec1...

TBR=oka@chromium.org,fukino@chromium.org,tetsui@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=731483
==========

to

==========
Revert of Stop updating context menu task items when not changed. (patchset #2
id:20001 of https://codereview.chromium.org/2932803002/ )

Reason for revert:
We'd like to revert 2833413003 because it caused regression crbug.com/738803.
This is change depends on 2833413003.

Original issue's description:
> Stop updating context menu task items when not changed.
> 
> During FileSelectionHandler.EventType.CHANGE to CHANGE_THROTTLED,
> existing task items in context menu were overwritten by a temporary
> item. File copy operation fires CHANGE and CHANGE_THROTTLED repeatedly,
> which leads to flickering context menu during copy.
> If selection is not changed, we should not clear the task items in the
> context menu.
> 
> BUG=731483
> TEST=manual
> CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation
> 
> Review-Url: https://codereview.chromium.org/2932803002
> Cr-Commit-Position: refs/heads/master@{#478239}
> Committed:
https://chromium.googlesource.com/chromium/src/+/f8c224c31c133a07f58a8d922ec1...

TBR=oka@chromium.org,fukino@chromium.org,tetsui@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=731483,738803
==========

[yamaguchi, 2017-07-06 08:19:15]

The CQ bit was checked by yamaguchi@chromium.org

[commit-bot: I haz the power, 2017-07-06 08:19:29]

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, 2017-07-06 08:42:22]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1499329155195040, "parent_rev":
"1e85076c9e6f8d2c9e3e6ca2860b5321d2299ce9", "commit_rev":
"aa4c54cbd611f55c475eda159865c7134442f71c"}

[commit-bot: I haz the power, 2017-07-06 08:42:38]

Description was changed from

==========
Revert of Stop updating context menu task items when not changed. (patchset #2
id:20001 of https://codereview.chromium.org/2932803002/ )

Reason for revert:
We'd like to revert 2833413003 because it caused regression crbug.com/738803.
This is change depends on 2833413003.

Original issue's description:
> Stop updating context menu task items when not changed.
> 
> During FileSelectionHandler.EventType.CHANGE to CHANGE_THROTTLED,
> existing task items in context menu were overwritten by a temporary
> item. File copy operation fires CHANGE and CHANGE_THROTTLED repeatedly,
> which leads to flickering context menu during copy.
> If selection is not changed, we should not clear the task items in the
> context menu.
> 
> BUG=731483
> TEST=manual
> CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation
> 
> Review-Url: https://codereview.chromium.org/2932803002
> Cr-Commit-Position: refs/heads/master@{#478239}
> Committed:
https://chromium.googlesource.com/chromium/src/+/f8c224c31c133a07f58a8d922ec1...

TBR=oka@chromium.org,fukino@chromium.org,tetsui@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=731483,738803
==========

to

==========
Revert of Stop updating context menu task items when not changed. (patchset #2
id:20001 of https://codereview.chromium.org/2932803002/ )

Reason for revert:
We'd like to revert 2833413003 because it caused regression crbug.com/738803.
This is change depends on 2833413003.

Original issue's description:
> Stop updating context menu task items when not changed.
> 
> During FileSelectionHandler.EventType.CHANGE to CHANGE_THROTTLED,
> existing task items in context menu were overwritten by a temporary
> item. File copy operation fires CHANGE and CHANGE_THROTTLED repeatedly,
> which leads to flickering context menu during copy.
> If selection is not changed, we should not clear the task items in the
> context menu.
> 
> BUG=731483
> TEST=manual
> CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation
> 
> Review-Url: https://codereview.chromium.org/2932803002
> Cr-Commit-Position: refs/heads/master@{#478239}
> Committed:
https://chromium.googlesource.com/chromium/src/+/f8c224c31c133a07f58a8d922ec1...

TBR=oka@chromium.org,fukino@chromium.org,tetsui@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=731483,738803

Review-Url: https://codereview.chromium.org/2973003002
Cr-Commit-Position: refs/heads/master@{#484500}
Committed:
https://chromium.googlesource.com/chromium/src/+/aa4c54cbd611f55c475eda159865...
==========

[commit-bot: I haz the power, 2017-07-06 08:42:39]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/aa4c54cbd611f55c475eda159865...