Revert 211585 "Make runtest return success if warnings are alrea..."
Revert 211585 "Make runtest return success if warnings are alrea..."

> Make runtest return success if warnings are already annotated.
> 
> TBR=iannucci@chromium.org
> 
> Review URL: https://chromiumcodereview.appspot.com/18429013

TBR=xusydoc@chromium.org

Review URL: https://codereview.chromium.org/19238005

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@211661 0039d316-1c4b-4281-b951-d872f2087c98

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