[chromedirver] Add 33 to test suite and remove 30.

Also update OWNERS and WATCHLISTS file for my account change.

BUG=None

Review URL: https://codereview.chromium.org/143653003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@246811 0039d316-1c4b-4281-b951-d872f2087c98
[chromedriver] Fix error when failing to download chrome.

TBR=frankf@chromium.org
BUG=

Review URL: https://codereview.chromium.org/130273006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@246945 0039d316-1c4b-4281-b951-d872f2087c98
[chromedriver] Update LATEST_RELEASE for users to check with latest release in some script automatically.

BUG=None
R=craigdh@chromium.org

Review URL: https://codereview.chromium.org/144003012

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@246977 0039d316-1c4b-4281-b951-d872f2087c98