Adam Powell 2a93911b87 Fix a stability regression in ListView arrow scrolling
The earlier patch 3cf7b3c59 introduced a stability regression. Perform
the appropriate bounds checking alongside the fix it implements.

Bug 8264185

Change-Id: I943d6c05bacdd777f89243fdac97788b16639dc6
2013-03-21 17:08:38 -07:00
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