DevTools: quick fix for NetworkAgent.emulateNetworkConditions.

Recently protocol was changed, but invocation remained unchanged.

BUG=245436
TBR=vsevik@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/336393002

git-svn-id: svn://svn.chromium.org/blink/trunk@176316 bbb929c8-8fbe-4397-9dbb-9b2b20218538
DevTools: [ClosureCompiler] Fix injected script errors on a newer compiler

R=aandrey@chromium.org, yurys@chromium.org, aandrey

Review URL: https://codereview.chromium.org/332173004

git-svn-id: svn://svn.chromium.org/blink/trunk@176317 bbb929c8-8fbe-4397-9dbb-9b2b20218538