Add policy for ash launcher auto-hide behavior

ash/shell.cc

Index: ash/shell.cc
diff --git a/ash/shell.cc b/ash/shell.cc
index 2a8e8952aee949352932a1dcfec1ac3648afc161..8c4cf0e4f3ac0d5baf0a919697a0bf9f5da4f2ab 100644
--- a/ash/shell.cc
+++ b/ash/shell.cc
@@ -697,17 +697,6 @@ ShelfAutoHideBehavior Shell::GetShelfAutoHideBehavior(
   return GetRootWindowController(root_window)->GetShelfAutoHideBehavior();
 }
 
-bool Shell::IsShelfAutoHideMenuHideChecked(aura::RootWindow* root_window) {
-  return GetRootWindowController(root_window)->GetShelfAutoHideBehavior() ==
-      ash::SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS;
-}
-
-ShelfAutoHideBehavior Shell::GetToggledShelfAutoHideBehavior(
-    aura::RootWindow* root_window) {
-  return GetRootWindowController(root_window)->
-      GetToggledShelfAutoHideBehavior();
-}
-
 void Shell::SetShelfAlignment(ShelfAlignment alignment,
                               aura::RootWindow* root_window) {
   if (GetRootWindowController(root_window)->SetShelfAlignment(alignment))