Fixing missing init of start time in previous CL.
Fixing missing init of start time in previous CL.

I missed a place we needed to setup the start time in this change:
http://codereview.chromium.org/9700034/
Fixing.

BUG=None
TEST=None
R=cmp@chromium.org

Review URL: http://codereview.chromium.org/9702044

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@126753 0039d316-1c4b-4281-b951-d872f2087c98

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