Remove TOGGLE_MAXIMIZED_* from Ash reserved actions list.

ash/wm/window_util.cc

Index: ash/wm/window_util.cc
diff --git a/ash/wm/window_util.cc b/ash/wm/window_util.cc
index 74c970f631ac85b13238c3bb52e1a8e537617d2c..b4c2a4d398fb8c65fd984ff535f3f081f4c4d321 100644
--- a/ash/wm/window_util.cc
+++ b/ash/wm/window_util.cc
@@ -100,6 +100,13 @@ void RestoreWindow(aura::Window* window) {
   window->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_NORMAL);
 }
 
+void ToggleMaximizedWindow(aura::Window* window) {
+  if (ash::wm::IsWindowMaximized(window))
+    ash::wm::RestoreWindow(window);
+  else if (ash::wm::CanMaximizeWindow(window))
+    ash::wm::MaximizeWindow(window);
+}
+
 void CenterWindow(aura::Window* window) {
   const gfx::Display display = gfx::Screen::GetDisplayNearestWindow(window);
   gfx::Rect center = display.work_area().Center(window->bounds().size());