Correct include paths in checks.h

BUG=none
R=mvstanton@chromium.org
TBR=mvstanton@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/314703002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21640 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Ignore buildtools directory in presubmit.py checks

BUG=none
R=machenbach@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/314573004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21641 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Add DEPS files and run checkdeps in presubmit check

BUG=none
R=jkummerow@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/312763002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21642 ce2b1a6d-e550-0410-aec6-3dcde31c8c00