Move Screen Rotation from MaximizeModeController to ScreenOrientationController

ash/system/chromeos/rotation/tray_rotation_lock.h

Index: ash/system/chromeos/rotation/tray_rotation_lock.h
diff --git a/ash/system/chromeos/rotation/tray_rotation_lock.h b/ash/system/chromeos/rotation/tray_rotation_lock.h
index f4f4fdeb4887ecc9ade556af300bb977687660c1..434e8aa14b7cfd571a729137f2b2c9b3c1d289b6 100644
--- a/ash/system/chromeos/rotation/tray_rotation_lock.h
+++ b/ash/system/chromeos/rotation/tray_rotation_lock.h
@@ -5,9 +5,9 @@
 #ifndef ASH_SYSTEM_CHROMEOS_ROTATION_TRAY_ROTATION_LOCK_H_
 #define ASH_SYSTEM_CHROMEOS_ROTATION_TRAY_ROTATION_LOCK_H_
 
+#include "ash/content/display/screen_orientation_delegate_chromeos.h"
 #include "ash/shell_observer.h"
 #include "ash/system/tray/tray_image_item.h"
-#include "ash/wm/maximize_mode/maximize_mode_controller.h"
 
 namespace ash {
 
@@ -21,13 +21,13 @@ class RotationLockDefaultView;
 // be interacted with, it toggles the state of the rotation lock.
 // TrayRotationLock is only available on the primary display.
 class ASH_EXPORT TrayRotationLock : public TrayImageItem,
-                                    public MaximizeModeController::Observer,
+                                    public ScreenOrientationDelegate::Observer,
                                     public ShellObserver {
  public:
   explicit TrayRotationLock(SystemTray* system_tray);
   virtual ~TrayRotationLock();
 
-  // MaximizeModeController::Observer:
+  // ScreenOrientationDelegate::Observer:
   virtual void OnRotationLockChanged(bool rotation_locked) override;
 
   // SystemTrayItem: