Windows GN component build fixes.

Windows GN component build fixes.

This fixes the d8 target which previously was getting both USING_V8_SHARED
and BUILDING_V8_SHARED defined at the same time.

Renames direct_dependent_configs to public_configs (new name, same thing).

Committed: https://crrev.com/3f036fc0ba4ca4483fe77822f8605c277d37ee24
Cr-Commit-Position: refs/heads/master@{#27713}

[brettw, 2015-04-08 20:01:14]

brettw@chromium.org changed reviewers:
+ jochen@chromium.org

[brettw, 2015-04-08 20:01:14]

If you could also land this for me if it looks OK, that would me much
appreciated!

[jochen (gone - plz use gerrit), 2015-04-09 14:36:28]

The CQ bit was checked by jochen@chromium.org

[jochen (gone - plz use gerrit), 2015-04-09 14:36:28]

lgtm

[commit-bot: I haz the power, 2015-04-09 14:36:53]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1065403002/1

[commit-bot: I haz the power, 2015-04-09 19:36:06]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-04-09 19:36:21]

Patchset 1 (id:??) landed as
https://crrev.com/3f036fc0ba4ca4483fe77822f8605c277d37ee24
Cr-Commit-Position: refs/heads/master@{#27713}