Fix initialization of wk_revision in startVC().
Fix initialization of wk_revision in startVC().

BUG=

Review URL: https://codereview.chromium.org/14069015

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@193526 0039d316-1c4b-4281-b951-d872f2087c98

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