[DevTools] Tuned console completion filter to allow non-ascii properties auto-completion.
[DevTools] Tuned console completion filter to allow non-ascii properties auto-completion.

BUG=192730

Review URL: https://codereview.chromium.org/97093004

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@163185 bbb929c8-8fbe-4397-9dbb-9b2b20218538

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