Add more BUILD.gn files to build these targets with GN.

Add more BUILD.gn files to build these targets with GN.

This patch converts the following gyp targets to GN:
- favicon_base
- query_parser
- metro_viewer_messages -> metro_viewer
- native_theme

BUG=None
TEST=None
R=scottmg@chromium.org
TBR=ben@chromium.org
NOTRY=true

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=272739

[scottmg, 2014-05-24 01:57:06]

lgtm

https://codereview.chromium.org/294423004/diff/20001/ui/native_theme/BUILD.gn
File ui/native_theme/BUILD.gn (right):

https://codereview.chromium.org/294423004/diff/20001/ui/native_theme/BUILD.gn...
ui/native_theme/BUILD.gn:47: if (!use_aura || !is_win) {
this seems a bit funny, how about not adding them above and then (use_aura &&
is_win) and += ?

[tfarina, 2014-05-24 02:10:31]

https://codereview.chromium.org/294423004/diff/20001/ui/native_theme/BUILD.gn
File ui/native_theme/BUILD.gn (right):

https://codereview.chromium.org/294423004/diff/20001/ui/native_theme/BUILD.gn...
ui/native_theme/BUILD.gn:47: if (!use_aura || !is_win) {
On 2014/05/24 01:57:06, scottmg wrote:
> this seems a bit funny, how about not adding them above and then (use_aura &&
> is_win) and += ?

Done.

[brettw, 2014-05-24 04:49:30]

https://codereview.chromium.org/294423004/diff/40001/ui/native_theme/BUILD.gn
File ui/native_theme/BUILD.gn (right):

https://codereview.chromium.org/294423004/diff/40001/ui/native_theme/BUILD.gn...
ui/native_theme/BUILD.gn:45: if (use_aura && is_win) {
Heh, I did this file too. You can check it in if you want, but can you grab my
version which handles non-aura builds?
https://codereview.chromium.org/299113002/diff/40001/ui/native_theme/BUILD.gn
Its nice to see our files are otherwise almost identical.

[tfarina, 2014-05-24 05:40:36]

https://codereview.chromium.org/294423004/diff/40001/ui/native_theme/BUILD.gn
File ui/native_theme/BUILD.gn (right):

https://codereview.chromium.org/294423004/diff/40001/ui/native_theme/BUILD.gn...
ui/native_theme/BUILD.gn:45: if (use_aura && is_win) {
On 2014/05/24 04:49:30, brettw wrote:
> Heh, I did this file too. You can check it in if you want, but can you grab my
> version which handles non-aura builds?
> https://codereview.chromium.org/299113002/diff/40001/ui/native_theme/BUILD.gn
> Its nice to see our files are otherwise almost identical.

Done.

[tfarina, 2014-05-24 07:22:06]

The CQ bit was checked by tfarina@chromium.org

[commit-bot: I haz the power, 2014-05-24 07:22:47]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/tfarina@chromium.org/294423004/70001

[commit-bot: I haz the power, 2014-05-24 13:21:51]

Change committed as 272739