Don't activate search box on context menu mouse click.

When user right click the mouse on an empty inactive search box,
we should only open context menu, but not zero state suggestion
window.

Bug: 941428
Change-Id: Ic3fb9934880232e5576266508845985ce9e88e2d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1524339
Reviewed-by: Xiyuan Xia <xiyuan@chromium.org>
Commit-Queue: Jenny Zhang <jennyz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#641074}
1 file changed