[shell] Set DesktopView to black when no contents are loaded
This is better than the ContainmentView default of clear as it means we don't get garbage from the root window. CCBUG: 423545 CCBUG: 421237
parent
03a8c807
This is better than the ContainmentView default of clear as it means we don't get garbage from the root window. CCBUG: 423545 CCBUG: 421237
mentioned in commit b16ab4a1
·mentioned in commit b16ab4a1