Re-enable HomeCardTest.AppSelection.

This test was disabled for a memory leak. The bug was fixed already
but this test case was forgotten to be re-enabled.

BUG=399241
R=flackr@chromium.org
TEST=athena_unittests

Review URL: https://codereview.chromium.org/443273002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@287869 0039d316-1c4b-4281-b951-d872f2087c98

athena/home/home_card_unittest.cc

@@ -47,8 +47,7 @@ TEST_F(HomeCardTest, VirtualKeyboardTransition) {
 }
 
 // Verify if the home card is correctly minimized after app launch.
-// TODO(flackr): Fix memory leak and re-enable - http://crbug.com/399241
-TEST_F(HomeCardTest, DISABLED_AppSelection) {
+TEST_F(HomeCardTest, AppSelection) {
   EXPECT_EQ(HomeCard::VISIBLE_MINIMIZED, HomeCard::Get()->GetState());
 
   WindowManager::GetInstance()->ToggleOverview();