Support additional mash shelf alignments.

chrome/browser/ui/ash/launcher/chrome_launcher_controller.cc

Index: chrome/browser/ui/ash/launcher/chrome_launcher_controller.cc
diff --git a/chrome/browser/ui/ash/launcher/chrome_launcher_controller.cc b/chrome/browser/ui/ash/launcher/chrome_launcher_controller.cc
index 435b01c50f975dc3d12825a7db25d8c90107d055..ea12bc41c2ac5c4276397acd14cd6d721a142e49 100644
--- a/chrome/browser/ui/ash/launcher/chrome_launcher_controller.cc
+++ b/chrome/browser/ui/ash/launcher/chrome_launcher_controller.cc
@@ -1156,6 +1156,16 @@ void ChromeLauncherController::OnShelfDestroyed(ash::Shelf* shelf) {
   // Shelf is already in its destructor.
 }
 
+void ChromeLauncherController::OnAlignmentChanged(
+    ash::ShelfAlignment alignment) {
+  // TODO(msw): Anything?
+}
+
+void ChromeLauncherController::OnAutoHideBehaviorChanged(
+    ash::ShelfAutoHideBehavior auto_hide) {
+  // TODO(msw): Anything?
+}
+
 void ChromeLauncherController::ShelfItemAdded(int index) {
   // The app list launcher can get added to the shelf after we applied the
   // preferences. In that case the item might be at the wrong spot. As such we