Create source snapshot and upload to GS.
Create source snapshot and upload to GS.

BUG=79198

Review URL: http://codereview.chromium.org/7129020

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@88372 0039d316-1c4b-4281-b951-d872f2087c98

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