Use the chromium_pgo recipe on the PGO builder.
Use the chromium_pgo recipe on the PGO builder.

R=iannucci@chromium.org
BUG=309849

Review URL: https://codereview.chromium.org/371563002

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@281325 0039d316-1c4b-4281-b951-d872f2087c98

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