GN: Fix gn gen for windows debug non-component builds

GN: Fix gn gen for windows debug non-component builds

Without this change running simply 'gn gen out/x86' on windows
will generate:
ERROR at //third_party/WebKit/Source/core/BUILD.gn:179:18: Item not found
    configs -= [ "//build/config/win:default_incremental_linking" ]
                 ^-----------------------------------------------

Committed: https://crrev.com/7bb4f393b0bc669ce5ee157289e954648b4b9ad2
Cr-Commit-Position: refs/heads/master@{#376361}

[Sam Clegg, 2016-02-19 02:10:46]

sbc@chromium.org changed reviewers:
+ dpranke@chromium.org

[Sam Clegg, 2016-02-19 02:10:53]

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

[commit-bot: I haz the power, 2016-02-19 02:11:40]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1717553002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1717553002/1

[Dirk Pranke, 2016-02-19 02:14:23]

lgtm.

Though strictly speaking static debug builds probably don't work at all on
Windows for a number of reasons (and aren't really supported).

But I have no problem saying that `gn gen` should at least work :).

[Sam Clegg, 2016-02-19 02:15:10]

The CQ bit was unchecked by sbc@chromium.org

[Sam Clegg, 2016-02-19 02:15:17]

The CQ bit was checked by sbc@chromium.org

[commit-bot: I haz the power, 2016-02-19 02:16:22]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1717553002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1717553002/1

[commit-bot: I haz the power, 2016-02-19 03:29:17]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-02-19 03:30:22]

Description was changed from

==========
GN: Fix gn gen for windows debug non-component builds

Without this change running simply 'gn gen out/x86' on windows
will generate:
ERROR at //third_party/WebKit/Source/core/BUILD.gn:179:18: Item not found
    configs -= [ "//build/config/win:default_incremental_linking" ]
                 ^-----------------------------------------------
==========

to

==========
GN: Fix gn gen for windows debug non-component builds

Without this change running simply 'gn gen out/x86' on windows
will generate:
ERROR at //third_party/WebKit/Source/core/BUILD.gn:179:18: Item not found
    configs -= [ "//build/config/win:default_incremental_linking" ]
                 ^-----------------------------------------------

Committed: https://crrev.com/7bb4f393b0bc669ce5ee157289e954648b4b9ad2
Cr-Commit-Position: refs/heads/master@{#376361}
==========

[commit-bot: I haz the power, 2016-02-19 03:30:22]

Patchset 1 (id:??) landed as
https://crrev.com/7bb4f393b0bc669ce5ee157289e954648b4b9ad2
Cr-Commit-Position: refs/heads/master@{#376361}