cleanup: Remove pinned app pref M19-M20 migration code.
commit8200bc89bcd0bcde230280dcd1a0d8b552c9fb8b
authorxiyuan@chromium.org <xiyuan@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Wed, 5 Dec 2012 05:36:16 +0000 (5 05:36 +0000)
committerxiyuan@chromium.org <xiyuan@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Wed, 5 Dec 2012 05:36:16 +0000 (5 05:36 +0000)
treebe5b7ddaf5930b81a2be9c666d517553569851e2
parent8970e79b6b43723f17364ef029e77faaf7d78a58
cleanup: Remove pinned app pref M19-M20 migration code.

The migration code for pinned apps pref from M19 to M20 is obsolete now.

BUG=none.
TEST=No change. New user gets 4 default pinned apps. Unpin all should stay
that way on the next login.

R=sky@chromium.org

Review URL: https://chromiumcodereview.appspot.com/11434114

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@171169 0039d316-1c4b-4281-b951-d872f2087c98
chrome/browser/ui/ash/chrome_launcher_prefs.cc
chrome/browser/ui/ash/launcher/chrome_launcher_controller_per_app.cc
chrome/browser/ui/ash/launcher/chrome_launcher_controller_per_browser.cc
chrome/common/pref_names.cc
chrome/common/pref_names.h