Add GN conversions for more GYP flags

Add GN conversions for flags

Adds a remapping from important GYP flags used on the main waterfall for GN. For the other ones, I added a list of used flags and filed bugs for them.

R=scottmg@chromium.org
BUG=

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=242356

[scottmg, 2013-12-20 17:02:16]

lgtm

[scottmg, 2013-12-20 22:03:37]

ps2 otherwise lgtm

https://codereview.chromium.org/119803002/diff/30001/build/config/BUILDCONFIG.gn
File build/config/BUILDCONFIG.gn (right):

https://codereview.chromium.org/119803002/diff/30001/build/config/BUILDCONFIG...
build/config/BUILDCONFIG.gn:297: if (!is_clang && !is_win && (is_asan || is_lsan
|| is_tsan || is_msan)) {
can you remove is_win (so that if the win-clang team wants to test things they
can use it?) or does syzyasan use is_asan too?

[brettw, 2013-12-20 22:05:38]

On 2013/12/20 22:03:37, scottmg OoO Dec21-Jan5 wrote:
> ps2 otherwise lgtm
> 
>
https://codereview.chromium.org/119803002/diff/30001/build/config/BUILDCONFIG.gn
> File build/config/BUILDCONFIG.gn (right):
> 
>
https://codereview.chromium.org/119803002/diff/30001/build/config/BUILDCONFIG...
> build/config/BUILDCONFIG.gn:297: if (!is_clang && !is_win && (is_asan ||
is_lsan
> || is_tsan || is_msan)) {
> can you remove is_win (so that if the win-clang team wants to test things they
> can use it?) or does syzyasan use is_asan too?

Don't know, I was just copying something in common.gypi.

[brettw, 2013-12-23 05:12:07]

Committed patchset #5 manually as r242356 (presubmit successful).

[Nico, 2014-02-10 22:04:14]

https://codereview.chromium.org/119803002/diff/420001/build/gyp_chromium
File build/gyp_chromium (right):

https://codereview.chromium.org/119803002/diff/420001/build/gyp_chromium#newc...
build/gyp_chromium:122: #   host_os=linux  Probably can skip, GN knows the host
OS.
(This is used by the android webview build, which apparently uses this define to
create mac-hosted makefiles while gypping on linux.)