ash: Move alignment and autohide behavior from Shelf to WmShelf

ash/sysui/context_menu_mus.cc

Index: ash/sysui/context_menu_mus.cc
diff --git a/ash/sysui/context_menu_mus.cc b/ash/sysui/context_menu_mus.cc
index 1cb05f9dbcf9ae79423cf6566dde2db38098df6f..73207030592efbee737c4f466ff654159767bc92 100644
--- a/ash/sysui/context_menu_mus.cc
+++ b/ash/sysui/context_menu_mus.cc
@@ -30,7 +30,7 @@ ContextMenuMus::~ContextMenuMus() {}
 
 bool ContextMenuMus::IsCommandIdChecked(int command_id) const {
   if (command_id == MENU_AUTO_HIDE)
-    return wm_shelf_->GetAutoHideBehavior() == SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS;
+    return wm_shelf_->auto_hide_behavior() == SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS;
   return false;
 }
 
@@ -43,7 +43,7 @@ bool ContextMenuMus::IsCommandIdEnabled(int command_id) const {
 
 void ContextMenuMus::ExecuteCommand(int command_id, int event_flags) {
   if (command_id == MENU_AUTO_HIDE) {
-    wm_shelf_->SetAutoHideBehavior(wm_shelf_->GetAutoHideBehavior() ==
+    wm_shelf_->SetAutoHideBehavior(wm_shelf_->auto_hide_behavior() ==
                                            SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS
                                        ? SHELF_AUTO_HIDE_BEHAVIOR_NEVER
                                        : SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS);