Make function-level static Persistent handles leak instead.

We cannot have Persistent (as opposed to Persistent*) as function-level statics,
since they'll cause exit-time dtors when we make Persistent auto-Dispose in the
dtor.

BUG=236290

Review URL: https://chromiumcodereview.appspot.com/19688009

git-svn-id: svn://svn.chromium.org/blink/trunk@154643 bbb929c8-8fbe-4397-9dbb-9b2b20218538
DevTools: [CodeMirror] Ignore numbers in autocompletion dictionary

This patch adds a functionality to ignore digits so that they are not
added to the autocompletion dictionary.

BUG=

Review URL: https://chromiumcodereview.appspot.com/19806003

git-svn-id: svn://svn.chromium.org/blink/trunk@154644 bbb929c8-8fbe-4397-9dbb-9b2b20218538
DevTools: [Styles] Bring up suggest box for empty property values automatically

R=vsevik@chromium.org
BUG=227438

Review URL: https://codereview.chromium.org/18992002

git-svn-id: svn://svn.chromium.org/blink/trunk@154645 bbb929c8-8fbe-4397-9dbb-9b2b20218538