Net: Fix leak in SpdyNetworkTransactionTest from r54398.
Net: Fix leak in SpdyNetworkTransactionTest from r54398.

BUG=none
TEST=Valgind net goes green.
TBR=lzheng
Review URL: http://codereview.chromium.org/3078016

git-svn-id: http://src.chromium.org/svn/trunk/src@54430 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: dbcbee19e191f76a9a9a3e3081fec10b403a9338
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser