Add policy for ash launcher auto-hide behavior

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/shell_observer.h"
 #include "ash/wm/shelf_types.h"
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
-#include "base/gtest_prod_util.h"
 #include "base/observer_list.h"
 #include "base/timer.h"
 #include "ui/aura/client/activation_change_observer.h"
 #include "ui/aura/layout_manager.h"
 #include "ui/gfx/insets.h"
 #include "ui/gfx/rect.h"
 
 namespace aura {
 class RootWindow;
 }
@@ skipping 144 matching lines @@
 
   // Overriden from aura::client::ActivationChangeObserver:
   virtual void OnWindowActivated(aura::Window* active,
                                  aura::Window* old_active) OVERRIDE;
 
  private:
   class AutoHideEventFilter;
   class UpdateShelfObserver;
   friend class ash::ScreenAsh;
   friend class ShelfLayoutManagerTest;
-  FRIEND_TEST_ALL_PREFIXES(ShelfLayoutManagerTest, SetAutoHideBehavior);
 
   struct TargetBounds {
     TargetBounds();
 
     float opacity;
     gfx::Rect launcher_bounds_in_root;
     gfx::Rect status_bounds_in_root;
     gfx::Insets work_area_insets;
   };
 
@@ skipping 116 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_