ShelfLayoutManager virtual keyboard - do not change work area of screen if in non-sticky mode.

ash/shelf/shelf_layout_manager.h

 // Copyright 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_SHELF_SHELF_LAYOUT_MANAGER_H_
 #define ASH_SHELF_SHELF_LAYOUT_MANAGER_H_
 
 #include <memory>
 
 #include "ash/ash_export.h"
@@ skipping 221 matching lines @@
     wm::WorkspaceWindowState window_state;
     bool is_screen_locked;
     bool is_adding_user_screen;
   };
 
   // Sets the visibility of the shelf to |state|.
   void SetState(ShelfVisibilityState visibility_state);
 
   // Updates the bounds and opacity of the shelf and status widgets.
   // If |observer| is specified, it will be called back when the animations, if
   // any, are complete.

[oshima, 2016/08/02 16:33:53]

update the comment and explain how |change_work_area| works.

[hariank, 2016/08/03 18:09:39]

Done.

   void UpdateBoundsAndOpacity(const TargetBounds& target_bounds,
                               bool animate,
+                              bool change_work_area,
                               ui::ImplicitAnimationObserver* observer);
 
   // Stops any animations and progresses them to the end.
   void StopAnimating();
 
   // Calculates the target bounds assuming visibility of |visible|.
   void CalculateTargetBounds(const State& state, TargetBounds* target_bounds);
 
   // Updates the target bounds if a gesture-drag is in progress. This is only
   // used by |CalculateTargetBounds()|.
@@ skipping 118 matching lines @@
 
   std::unique_ptr<RootWindowControllerObserverImpl>
       root_window_controller_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(ShelfLayoutManager);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SHELF_SHELF_LAYOUT_MANAGER_H_