Revert of Remove find_dependencies script

Revert of Remove find_dependencies script (patchset #1 id:1 of https://codereview.chromium.org/2932213002/ )

Reason for revert:
find_dependencies is still used.

Original issue's description:
> Remove find_dependencies script
> 
> BUG=chromium:728177
> 
> Review-Url: https://codereview.chromium.org/2932213002
> Cr-Commit-Position: refs/heads/master@{#478658}
> Committed: https://chromium.googlesource.com/chromium/src/+/e5ee4f9d1a7815c320dadb315675449a710c19aa

TBR=charliea@chromium.org,stevenjb@chromium.org,achuith@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:728177
Review-Url: https://codereview.chromium.org/2933163002
Cr-Commit-Position: refs/heads/master@{#478675}
Committed: https://chromium.googlesource.com/chromium/src/+/683a4557dae870a6a387bc739b6cdc89280e99d6

[nednguyen, 2017-06-12 17:58:21]

The CQ bit was checked by nednguyen@google.com

[nednguyen, 2017-06-12 17:58:22]

Created Revert of Remove find_dependencies script

[commit-bot: I haz the power, 2017-06-12 17:58:47]

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, 2017-06-12 17:59:10]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1497290301957150, "parent_rev":
"7f09ece330fd144421f416d473e3131f57b6050f", "commit_rev":
"9bf1dec5908d3579f736458276b0f24a0cbebd7c"}

[commit-bot: I haz the power, 2017-06-12 17:59:20]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1497290301957150, "parent_rev":
"e5999cc4aeb3a8db065f1c6d651158cb07d7cb50", "commit_rev":
"683a4557dae870a6a387bc739b6cdc89280e99d6"}

[commit-bot: I haz the power, 2017-06-12 17:59:38]

Description was changed from

==========
Revert of Remove find_dependencies script (patchset #1 id:1 of
https://codereview.chromium.org/2932213002/ )

Reason for revert:
find_dependencies is still used.

Original issue's description:
> Remove find_dependencies script
> 
> BUG=chromium:728177
> 
> Review-Url: https://codereview.chromium.org/2932213002
> Cr-Commit-Position: refs/heads/master@{#478658}
> Committed:
https://chromium.googlesource.com/chromium/src/+/e5ee4f9d1a7815c320dadb315675...

TBR=charliea@chromium.org,stevenjb@chromium.org,achuith@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:728177
==========

to

==========
Revert of Remove find_dependencies script (patchset #1 id:1 of
https://codereview.chromium.org/2932213002/ )

Reason for revert:
find_dependencies is still used.

Original issue's description:
> Remove find_dependencies script
> 
> BUG=chromium:728177
> 
> Review-Url: https://codereview.chromium.org/2932213002
> Cr-Commit-Position: refs/heads/master@{#478658}
> Committed:
https://chromium.googlesource.com/chromium/src/+/e5ee4f9d1a7815c320dadb315675...

TBR=charliea@chromium.org,stevenjb@chromium.org,achuith@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:728177

Review-Url: https://codereview.chromium.org/2933163002
Cr-Commit-Position: refs/heads/master@{#478675}
Committed:
https://chromium.googlesource.com/chromium/src/+/683a4557dae870a6a387bc739b6c...
==========

[commit-bot: I haz the power, 2017-06-12 17:59:42]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/683a4557dae870a6a387bc739b6c...

[achuithb, 2017-06-12 19:29:53]

Thank you!