DevTools: Fix search view focusing on first opening
DevTools: Fix search view focusing on first opening

BUG=429176
R=apavlov

Review URL: https://codereview.chromium.org/706523003

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@184862 bbb929c8-8fbe-4397-9dbb-9b2b20218538

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