Blink roll 164482:164487

http://build.chromium.org/f/chromium/perf/dashboard/ui/changelog_blink.html?url=/trunk&range=164483:164487&mode=html
TBR=
BUG=

Review URL: https://codereview.chromium.org/120813006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@243068 0039d316-1c4b-4281-b951-d872f2087c98
Make "//" label illegal.

Currently GN implies empty target name for such label since
it thinks that the last path segment is between the slashes.

BUG= none
TEST= gn_unittests
R=brettw@chromium.org

Review URL: https://codereview.chromium.org/101693013

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@243069 0039d316-1c4b-4281-b951-d872f2087c98
Update .DEPS.git

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@243070 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 243070