Simplify ScopedVector<scoped_ptr<T>> to ScopedVector<T>.

Simplify ScopedVector<scoped_ptr<T>> to ScopedVector<T>.

Also removes a couple more PassAs() calls.

BUG=423621
Committed: https://crrev.com/048019f3581cdd2292e847732ea778dbb78cdc8d
Cr-Commit-Position: refs/heads/master@{#300129}

[dcheng, 2014-10-15 20:26:08]

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

[dcheng, 2014-10-15 20:26:09]

https://codereview.chromium.org/654263004/diff/1/tools/gn/loader.cc
File tools/gn/loader.cc (right):

https://codereview.chromium.org/654263004/diff/1/tools/gn/loader.cc#newcode269
tools/gn/loader.cc:269:
settings->build_settings()->ItemDefined(make_scoped_ptr(item));
This is a bit awkward, but I don't know of a better solution without
std::unique_ptr. Maybe cc's ScopedPtrVector will help here.

[brettw, 2014-10-17 17:32:55]

lgtm

[dcheng, 2014-10-17 17:33:24]

The CQ bit was checked by dcheng@chromium.org

[commit-bot: I haz the power, 2014-10-17 17:34:26]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/654263004/1

[commit-bot: I haz the power, 2014-10-17 18:03:37]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-10-17 18:04:21]

Patchset 1 (id:??) landed as
https://crrev.com/048019f3581cdd2292e847732ea778dbb78cdc8d
Cr-Commit-Position: refs/heads/master@{#300129}