GN: Fix up various gpu targets

This makes the gl_tests and gpu_unittests targets link and run and fixes
up a few other misc issues:

*) outdated nss filelists and defines
*) outdated cc file lists

[email protected], [email protected]
[email protected] for ui/events/ change

Review URL: https://codereview.chromium.org/338633004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@277958 0039d316-1c4b-4281-b951-d872f2087c98
8 files changed