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

ash/shelf/shelf_layout_manager.h

Index: ash/shelf/shelf_layout_manager.h
diff --git a/ash/shelf/shelf_layout_manager.h b/ash/shelf/shelf_layout_manager.h
index 934a08db2652e2c2ad4d44f5435e3a1fea33a0d0..3b55dc03e184a5cf05b9e6be9200b8d673fe141c 100644
--- a/ash/shelf/shelf_layout_manager.h
+++ b/ash/shelf/shelf_layout_manager.h
@@ -85,6 +85,10 @@ class ASH_EXPORT ShelfLayoutManager
   }
 
   // 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
@@ -235,9 +239,11 @@ class ASH_EXPORT ShelfLayoutManager
 
   // 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.