Add basic support for launching mash shelf pinned apps.

Add basic support for launching mash shelf pinned apps.

Keep the mojo ShelfItemDelegate in ShelfItemDelegateMus.
Use this to call the new LaunchItem() interface function.

Move app launching functionality to LauncherControllerHelper.
Use this in ChromeMashShelfController too (w/new helper member).

BUG=557406
TEST=Can launch some profile-pinned mash shelf items (eg. Chrome Web Store).
R=sky@chromium.org

Committed: https://crrev.com/e0d5b8cd941e967ec47a3d0317a858d0f735943c
Cr-Commit-Position: refs/heads/master@{#391391}

[msw, 2016-05-03 20:48:03]

Description was changed from

==========
Add basic support for launching mash shelf pinned apps.

BUG=557406
TEST=Can launch some profile-pinned mash shelf items (eg. Chrome Web Store).
R=sky@chromium.org
==========

to

==========
Add basic support for launching mash shelf pinned apps.

Keep the mojo ShelfItemDelegate in ShelfItemDelegateMus.
Use this to call the new LaunchItem() interface function.

Move app launching functionality to LauncherControllerHelper.
Use this in ChromeMashShelfController too (w/new helper member).

BUG=557406
TEST=Can launch some profile-pinned mash shelf items (eg. Chrome Web Store).
R=sky@chromium.org
==========

[msw, 2016-05-03 20:48:13]

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

[msw, 2016-05-03 20:48:27]

Hey Scott, please take a look; thanks!

[commit-bot: I haz the power, 2016-05-03 20:48:34]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1951523002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1951523002/20001

[commit-bot: I haz the power, 2016-05-03 21:43:38]

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

[commit-bot: I haz the power, 2016-05-03 21:43:38]

Dry run: This issue passed the CQ dry run.

[sky, 2016-05-03 22:23:22]

LGTM

[msw, 2016-05-03 22:34:26]

The CQ bit was checked by msw@chromium.org

[commit-bot: I haz the power, 2016-05-03 22:34:59]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1951523002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1951523002/20001

[commit-bot: I haz the power, 2016-05-03 23:20:41]

Description was changed from

==========
Add basic support for launching mash shelf pinned apps.

Keep the mojo ShelfItemDelegate in ShelfItemDelegateMus.
Use this to call the new LaunchItem() interface function.

Move app launching functionality to LauncherControllerHelper.
Use this in ChromeMashShelfController too (w/new helper member).

BUG=557406
TEST=Can launch some profile-pinned mash shelf items (eg. Chrome Web Store).
R=sky@chromium.org
==========

to

==========
Add basic support for launching mash shelf pinned apps.

Keep the mojo ShelfItemDelegate in ShelfItemDelegateMus.
Use this to call the new LaunchItem() interface function.

Move app launching functionality to LauncherControllerHelper.
Use this in ChromeMashShelfController too (w/new helper member).

BUG=557406
TEST=Can launch some profile-pinned mash shelf items (eg. Chrome Web Store).
R=sky@chromium.org
==========

[commit-bot: I haz the power, 2016-05-03 23:20:42]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-05-03 23:21:46]

Description was changed from

==========
Add basic support for launching mash shelf pinned apps.

Keep the mojo ShelfItemDelegate in ShelfItemDelegateMus.
Use this to call the new LaunchItem() interface function.

Move app launching functionality to LauncherControllerHelper.
Use this in ChromeMashShelfController too (w/new helper member).

BUG=557406
TEST=Can launch some profile-pinned mash shelf items (eg. Chrome Web Store).
R=sky@chromium.org
==========

to

==========
Add basic support for launching mash shelf pinned apps.

Keep the mojo ShelfItemDelegate in ShelfItemDelegateMus.
Use this to call the new LaunchItem() interface function.

Move app launching functionality to LauncherControllerHelper.
Use this in ChromeMashShelfController too (w/new helper member).

BUG=557406
TEST=Can launch some profile-pinned mash shelf items (eg. Chrome Web Store).
R=sky@chromium.org

Committed: https://crrev.com/e0d5b8cd941e967ec47a3d0317a858d0f735943c
Cr-Commit-Position: refs/heads/master@{#391391}
==========

[commit-bot: I haz the power, 2016-05-03 23:21:47]

Patchset 2 (id:??) landed as
https://crrev.com/e0d5b8cd941e967ec47a3d0317a858d0f735943c
Cr-Commit-Position: refs/heads/master@{#391391}