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 98 matching lines @@
   // Calculate the ratio of pixels that each WindowSize in |sizes| should
   // receive when growing or shrinking.
   void CalculateGrowthRatios(const std::vector<WindowSize*>& sizes,
                              std::vector<float>* out_ratios) const;
 
   // Adds a WindowSize to |sizes| for each attached window.
   void CreateBucketsForAttached(std::vector<WindowSize>* sizes) const;
 
   // If possible snaps the window to a neary window. Updates |bounds| if there
   // was a close enough window.
-  void MagneticallySnapToOtherWindows(gfx::Rect* bounds);
+  void MagneticallyStickToOtherWindows(gfx::Rect* bounds);
 
   // If possible snaps the resize to a neary window. Updates |bounds| if there
   // was a close enough window.
-  void MagneticallySnapResizeToOtherWindows(gfx::Rect* bounds);
+  void MagneticallyStickResizeToOtherWindows(gfx::Rect* bounds);

[varkha, 2013/04/16 02:12:12]

nit: To be consistent with StickyResizeToWorkAreaBounds the name should be
MagneticallyStickyResizeToOtherWindows.

[stevenjb, 2013/04/16 20:08:20]

Done.

 
   // Finds the neareset window to magentically snap to. Updates
   // |magnetism_window_| and |magnetism_edge_| appropriately. |edges| is a
   // 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);
+  // window has enough on screen. If |is_sticky| is true, windows will stick
+  // to the edges of the workspace and magnetically snap to other windows.
+  void AdjustBoundsForMainWindow(bool is_sticky, 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;
+  void StickToWorkAreaEdges(const gfx::Rect& work_area,
+                            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;
+  void StickyResizeToWorkAreaBounds(const gfx::Rect& work_area,
+                                    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_