Stick windows to sides of workspaces

ash/wm/property_util.h

Index: ash/wm/property_util.h
diff --git a/ash/wm/property_util.h b/ash/wm/property_util.h
index 97d7b24b4cac6f16b0e5e867f407ec34e29b82bf..f7c7649adcbba559228d6a3dc4171e62277d354e 100644
--- a/ash/wm/property_util.h
+++ b/ash/wm/property_util.h
@@ -62,6 +62,12 @@ ASH_EXPORT void SetWindowAlwaysRestoresToRestoreBounds(aura::Window* window,
 ASH_EXPORT bool GetWindowAlwaysRestoresToRestoreBounds(
     const aura::Window* window);
 
+// Sets whether the specified window is glued or "stuck" to a workspace edge.
+// Default is false and is changing when a window is resized or when its
+// maximized state changes. This is used in gutter implementation.
+ASH_EXPORT void SetStuckToEdge(aura::Window* window, int value);
+ASH_EXPORT int GetStuckToEdge(const aura::Window* window);
+
 // Sets whether the specified window is tracked by workspace code. Default is
 // true. If set to false the workspace does not switch the current workspace,
 // nor does it attempt to impose constraints on the bounds of the window. This