GitLab

WebSocket test server migration from content::TestWebSocketServer to 
net::TestServer. 
This is a part of migration change for PPAPI tests.

BUG=137639
TEST=browser_tests --gtest_filter='*.WebSocket_*'

Review URL: https://chromiumcodereview.appspot.com/11048050

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@162330 0039d316-1c4b-4281-b951-d872f2087c98