Add a separate launch for blink.
Add a separate launch for blink.

BUG=359314

Review URL: https://codereview.chromium.org/222613004

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@261810 0039d316-1c4b-4281-b951-d872f2087c98

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