Set the focus change reason even if calling SetFocusedViewWithReason on a view that already has focus.
Set the focus change reason even if calling SetFocusedViewWithReason on a
view that already has focus.

BUG=75100
TEST=Manual testing on Windows & Chrome OS

Review URL: http://codereview.chromium.org/6627041

git-svn-id: http://src.chromium.org/svn/trunk/src@77183 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 0210a2744ddaf6b3fe1fb58ca11a85f63fcb16f3
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser