Whitespace change to trigger bots.

BUG=
TBR=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/348583004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21969 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Sync 'git cl presubmit' and 'tools/presubmit.py'

More precisely, add CheckGeneratedRuntimeTests to checks performed by
'git cl presubmit'.

R=machenbach@chromium.org

Review URL: https://codereview.chromium.org/352583005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21970 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Revert assertion change from r21933 in Isolate::RunMicrotasks().

R=marja@chromium.org

Review URL: https://codereview.chromium.org/357453002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21971 ce2b1a6d-e550-0410-aec6-3dcde31c8c00