Fix a crash when a line containing the length of an HTTP
chunk-encoded response is too long.

R=willchan@chromium.org
BUG=155711

Review URL: https://chromiumcodereview.appspot.com/11191003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@162756 0039d316-1c4b-4281-b951-d872f2087c98
3 files changed