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 67 matching lines @@
   // Returns the docked area bounds.
   const gfx::Rect& dock_bounds() const { return dock_bounds_; }
 
   // Returns the bounds within the root window not occupied by the shelf nor the
   // virtual keyboard.
   const gfx::Rect& user_work_area_bounds() const {
     return user_work_area_bounds_;
   }
 
   // Stops any animations and sets the bounds of the shelf and status widgets.
+  void LayoutShelfAndUpdateBounds(bool change_work_area);
+
+  // Stops any animations, sets the bounds of the shelf and status widgets, and
+  // changes the work area
   void LayoutShelf();
 
   // Returns shelf visibility state based on current value of auto hide
   // behavior setting.
   ShelfVisibilityState CalculateShelfVisibility();
 
   // Updates the visibility state.
   void UpdateVisibilityState();
 
   // Invoked by the shelf when the auto-hide state may have changed.
@@ skipping 130 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.
+  // any, are complete. |change_work_area| specifies whether or not to update
+  // the work area of the screen.
   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 114 matching lines @@
 
   std::unique_ptr<RootWindowControllerObserverImpl>
       root_window_controller_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(ShelfLayoutManager);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SHELF_SHELF_LAYOUT_MANAGER_H_