Allow the cursor to warp even when a window is dragged

ash/wm/workspace/workspace_window_resizer.h

Index: ash/wm/workspace/workspace_window_resizer.h
diff --git a/ash/wm/workspace/workspace_window_resizer.h b/ash/wm/workspace/workspace_window_resizer.h
index 3b28e1e23642c1bd5fcc64d2199e84e917eeb136..5b89d87daa049bd5c0d0c7f7355fdc1c4952c76c 100644
--- a/ash/wm/workspace/workspace_window_resizer.h
+++ b/ash/wm/workspace/workspace_window_resizer.h
@@ -119,6 +119,9 @@ class ASH_EXPORT WorkspaceWindowResizer : public WindowResizer {
   // snapping should be used.
   SnapType GetSnapType(const gfx::Point& location) const;
 
+  // Returns true if we should allow the cursor to warp.
+  bool ShouldAllowCursorWarp() const;
+
   aura::Window* window() const { return details_.window; }
 
   const Details details_;