Forward declare ShellClient for MojoApplicationInfo

Forward declare ShellClient for MojoApplicationInfo

This avoids pulling in generated headers indirectly
through content_browser_client.h, which can be problematic
because gyp makes it hard to reason about how these
dependencies are propagated.

BUG=612689
R=amistry@chromium.org
TBR=jam@chromium.org

Committed: https://crrev.com/bf869a0ff45baa0b1f973ab6dd5befcd5dd2f518
Cr-Commit-Position: refs/heads/master@{#394359}

[Anand Mistry (off Chromium), 2016-05-18 06:13:13]

lgtm

[Ken Rockot(use gerrit already), 2016-05-18 06:13:30]

The CQ bit was checked by rockot@chromium.org

[commit-bot: I haz the power, 2016-05-18 06:13:47]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1990793002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1990793002/1

[Ken Rockot(use gerrit already), 2016-05-18 06:21:48]

The CQ bit was checked by rockot@chromium.org

[Ken Rockot(use gerrit already), 2016-05-18 06:21:48]

The patchset sent to the CQ was uploaded after l-g-t-m from amistry@chromium.org
Link to the patchset: https://codereview.chromium.org/1990793002/#ps20001
(title: " ")

[commit-bot: I haz the power, 2016-05-18 06:21:59]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1990793002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1990793002/20001

[Ken Rockot(use gerrit already), 2016-05-18 07:09:12]

The CQ bit was checked by rockot@chromium.org

[Ken Rockot(use gerrit already), 2016-05-18 07:09:12]

The patchset sent to the CQ was uploaded after l-g-t-m from amistry@chromium.org
Link to the patchset: https://codereview.chromium.org/1990793002/#ps2 (title: "
")

[commit-bot: I haz the power, 2016-05-18 07:09:22]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1990793002/2
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1990793002/2

[commit-bot: I haz the power, 2016-05-18 08:14:33]

Committed patchset #3 (id:2)

[commit-bot: I haz the power, 2016-05-18 08:16:53]

Description was changed from

==========
Forward declare ShellClient for MojoApplicationInfo

This avoids pulling in generated headers indirectly
through content_browser_client.h, which can be problematic
because gyp makes it hard to reason about how these
dependencies are propagated.

BUG=612689
R=amistry@chromium.org
TBR=jam@chromium.org
==========

to

==========
Forward declare ShellClient for MojoApplicationInfo

This avoids pulling in generated headers indirectly
through content_browser_client.h, which can be problematic
because gyp makes it hard to reason about how these
dependencies are propagated.

BUG=612689
R=amistry@chromium.org
TBR=jam@chromium.org

Committed: https://crrev.com/bf869a0ff45baa0b1f973ab6dd5befcd5dd2f518
Cr-Commit-Position: refs/heads/master@{#394359}
==========

[commit-bot: I haz the power, 2016-05-18 08:16:54]

Patchset 3 (id:??) landed as
https://crrev.com/bf869a0ff45baa0b1f973ab6dd5befcd5dd2f518
Cr-Commit-Position: refs/heads/master@{#394359}