Add ash-enable-sticky-edges for 'sticky' instead of 'snap' behavior.

ash/wm/workspace/workspace_window_resizer.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_WORKSPACE_WINDOW_RESIZER_H_
 #define ASH_WM_WORKSPACE_WINDOW_RESIZER_H_
 
 #include <vector>
 
 #include "ash/wm/window_resizer.h"
@@ skipping 116 matching lines @@
   // bitmask of the MagnetismEdges to match again. Returns true if a match is
   // found.
   bool UpdateMagnetismWindow(const gfx::Rect& bounds, uint32 edges);
 
   // Adjusts the bounds of the window: magnetically snapping, ensuring the
   // window has enough on screen... |snap_size| is the distance from an edge of
   // the work area before the window is snapped. A value of 0 results in no
   // snapping.
   void AdjustBoundsForMainWindow(int snap_size, gfx::Rect* bounds);
 
-  // Snaps the window bounds to the work area edges if necessary.
-  void SnapToWorkAreaEdges(
-      const gfx::Rect& work_area,
-      int snap_size,
-      gfx::Rect* bounds) const;
+  // Stick the window bounds to the work area during a move.
+  void StickToWorkAreaOnMove(const gfx::Rect& work_area,
+                             int sticky_size,
+                             gfx::Rect* bounds) const;
 
-  // Snaps the window bounds to the work area during a resize.
-  void SnapResizeToWorkAreaBounds(const gfx::Rect& work_area,
-                                  int snap_size,
-                                  gfx::Rect* bounds) const;
+  // Stick the window bounds to the work area during a resize.
+  void StickToWorkAreaOnResize(const gfx::Rect& work_area,
+                               int sticky_size,
+                               gfx::Rect* bounds) const;
 
   // Returns a coordinate along the primary axis. Used to share code for
   // left/right multi window resize and top/bottom resize.
   int PrimaryAxisSize(const gfx::Size& size) const;
   int PrimaryAxisCoordinate(int x, int y) const;
 
   // Updates the bounds of the phantom window for window snapping.
   void UpdateSnapPhantomWindow(const gfx::Point& location,
                                const gfx::Rect& bounds);
 
@@ skipping 52 matching lines @@
   // should attach.
   MatchedEdge magnetism_edge_;
 
   DISALLOW_COPY_AND_ASSIGN(WorkspaceWindowResizer);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_WM_WORKSPACE_WINDOW_RESIZER_H_