Made launcher hidden when kicking off chrome in app mode.

ash/wm/shelf_layout_manager.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef ASH_WM_SHELF_LAYOUT_MANAGER_H_
 #define ASH_WM_SHELF_LAYOUT_MANAGER_H_
 
 #include "ash/ash_export.h"
 #include "ash/launcher/launcher.h"
 #include "ash/shelf_types.h"
@@ skipping 207 matching lines @@
           (visibility_state != SHELF_AUTO_HIDE ||
            other.auto_hide_state == auto_hide_state) &&
           other.is_screen_locked == is_screen_locked;
     }
 
     ShelfVisibilityState visibility_state;
     ShelfAutoHideState auto_hide_state;
     bool is_screen_locked;
   };
 
+  // Returns shelf visibility state based on current value of auto hide
+  // behavior setting.
+  ShelfVisibilityState GetShelfVisibilityState();
+
   // Sets the visibility of the shelf to |state|.
   void SetState(ShelfVisibilityState visibility_state);
 
   // Stops any animations.
   void StopAnimating();
 
   // Returns the width (if aligned to the side) or height (if aligned to the
   // bottom).
   void GetShelfSize(int* width, int* height);
 
@@ skipping 83 matching lines @@
   // Used to delay updating shelf background.
   UpdateShelfObserver* update_shelf_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(ShelfLayoutManager);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_WM_SHELF_LAYOUT_MANAGER_H_