tree d0ca090de642284b85df051f86633aaebe3a53b6
parent 81a7c58d31815ee388088b8c682b6ab1b748ad60
author liaoyuke <liaoyuke@chromium.org> 1482349569 -0800
committer Commit bot <commit-bot@chromium.org> 1482349741 +0000

[Refactor Xcode Objects] Allow extra attributes for native targets.

This CL refactors xcode objects to allow specifying extra attributes for native
targets, which enables configuring the build settings.

BUG=614818

Review-Url: https://codereview.chromium.org/2591893002
Cr-Original-Commit-Position: refs/heads/master@{#440184}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 67e8c60e4b189e0fe6ca3e3699d0b6bed00a4e12