Add PanProjectChecks() presubmit check.
Add PanProjectChecks() presubmit check.

It's a tad slower than I'd like it to be, it takes 16 seconds on my workstation.
One idea is to only run it on commit to not slow down devs.

I'm really tired of people adding EOL whitespaces.

R=nsylvain@chromium.org
BUG=
TEST=


Review URL: http://codereview.chromium.org/7134098

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@88879 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build