Fix flicker that happened when hitting ctrl while in FORCED_QUERY mode.  We were comparing an input that had the "?" stripped off to one which didn't and thus never setting |minimal_changes| = true.
Fix flicker that happened when hitting ctrl while in FORCED_QUERY mode.  We were comparing an input that had the "?" stripped off to one which didn't and thus never setting |minimal_changes| = true.

BUG=13295
TEST=Type "?foo" into the omnibox.  Then hit the ctrl key.  The box should not flicker at all when pressing and releasing ctrl.
Review URL: http://codereview.chromium.org/118325

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@17774 0039d316-1c4b-4281-b951-d872f2087c98

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