Improving window auto management between workspaces

ash/wm/window_properties.h

Index: ash/wm/window_properties.h
diff --git a/ash/wm/window_properties.h b/ash/wm/window_properties.h
index 86773592953c9fac901f4e310256901a6462e7a6..ae5a9c9c28658d911e3d9ccb5fb842110697c228 100644
--- a/ash/wm/window_properties.h
+++ b/ash/wm/window_properties.h
@@ -67,12 +67,22 @@ ASH_EXPORT extern const aura::WindowProperty<bool>* const
 extern const aura::WindowProperty<ui_controls::UIControlsAura*>* const
     kUIControlsKey;
 
+// A property key to remember if a windows position or size was changed by a
+// user.
+ASH_EXPORT extern const aura::WindowProperty<bool>* const
+    kUserChangedWindowPositionOrSizeKey;
+
 // Property to tell if the container uses the screen coordinates.
 extern const aura::WindowProperty<bool>* const kUsesScreenCoordinatesKey;
 
 extern const aura::WindowProperty<WindowPersistsAcrossAllWorkspacesType>* const
     kWindowPersistsAcrossAllWorkspacesKey;
 
+// A property key to remember if a windows position can be managed by the
+// workspace manager or not.
+ASH_EXPORT extern const aura::WindowProperty<bool>* const
+    kWindowPositionManagedKey;
+
 // True if the window is controlled by the workspace manager.
 extern const aura::WindowProperty<bool>* const
     kWindowTrackedByWorkspaceKey;