[GTK] Use gtk_window_present_with_time since the doc's says it is better to use it when it is a response to a user action.
[GTK] Use gtk_window_present_with_time since the doc's says it is better to use
it when it is a response to a user action.

BUG=None
TEST=compiled and tested.

Review URL: http://codereview.chromium.org/299001
Patch from Thiago Farina <thiago.farina@gmail.com>.

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@29850 0039d316-1c4b-4281-b951-d872f2087c98

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