Support different project toolchains

Support different project toolchains

Solution may contain projects configured to use non-default toolchains.
For instance solution with "Debug|Win32" configuration may contain some
projects with "Debug|x64" configuration.

BUG=305761
Committed: https://crrev.com/bc312ac4dc1bbf5bf6ed5efc47595c08c8a48401
Cr-Commit-Position: refs/heads/master@{#373503}

[Tomasz Moniuszko, 2016-02-03 15:47:24]

tmoniuszko@opera.com changed reviewers:
+ brettw@chromium.org

[brettw, 2016-02-03 18:54:21]

lgtm

[Tomasz Moniuszko, 2016-02-04 09:32:19]

The CQ bit was checked by tmoniuszko@opera.com

[commit-bot: I haz the power, 2016-02-04 09:33:36]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1667773002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1667773002/1

[commit-bot: I haz the power, 2016-02-04 10:53:40]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-02-04 10:55:10]

Description was changed from

==========
Support different project toolchains

Solution may contain projects configured to use non-default toolchains.
For instance solution with "Debug|Win32" configuration may contain some
projects with "Debug|x64" configuration.

BUG=305761
==========

to

==========
Support different project toolchains

Solution may contain projects configured to use non-default toolchains.
For instance solution with "Debug|Win32" configuration may contain some
projects with "Debug|x64" configuration.

BUG=305761

Committed: https://crrev.com/bc312ac4dc1bbf5bf6ed5efc47595c08c8a48401
Cr-Commit-Position: refs/heads/master@{#373503}
==========

[commit-bot: I haz the power, 2016-02-04 10:55:11]

Patchset 1 (id:??) landed as
https://crrev.com/bc312ac4dc1bbf5bf6ed5efc47595c08c8a48401
Cr-Commit-Position: refs/heads/master@{#373503}