DevTools: Register textPrompt.css with ScriptsPanel to fix Watch Expressions autocomplete
DevTools: Register textPrompt.css with ScriptsPanel to fix Watch Expressions autocomplete

R=vsevik@chromium.org
BUG=253886

Review URL: https://codereview.chromium.org/17839003

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@153059 bbb929c8-8fbe-4397-9dbb-9b2b20218538

primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs