Moves a couple of the maximize mode classes to ash/common

ash/aura/wm_window_aura.h

Index: ash/aura/wm_window_aura.h
diff --git a/ash/aura/wm_window_aura.h b/ash/aura/wm_window_aura.h
index 9cc7d6266a216ea936e86a5e08f4738dd928e279..7b49168875f594642db74dad8e3cfcec4eac5d17 100644
--- a/ash/aura/wm_window_aura.h
+++ b/ash/aura/wm_window_aura.h
@@ -111,6 +111,8 @@ class ASH_EXPORT WmWindowAura : public WmWindow, public aura::WindowObserver {
   void SetShowState(ui::WindowShowState show_state) override;
   ui::WindowShowState GetShowState() const override;
   void SetRestoreShowState(ui::WindowShowState show_state) override;
+  void SetRestoreOverrides(const gfx::Rect& bounds_override,
+                           ui::WindowShowState window_state_override) override;
   void SetLockedToRoot(bool value) override;
   void SetCapture() override;
   bool HasCapture() override;