Fix for screen_mac::GetDisplayNearestPoint. The input point may not

ui/gfx/screen_mac.mm

 // 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.
 
 #include "ui/gfx/screen.h"
 
 #import <ApplicationServices/ApplicationServices.h>
 #import <Cocoa/Cocoa.h>
 
 @interface NSScreen (LionAPI)
@@ skipping 139 matching lines @@
 // static
 gfx::Display Screen::GetDisplayNearestPoint(const gfx::Point& point) {
   NSPoint ns_point = NSPointFromCGPoint(point.ToCGPoint());
 
   NSArray* screens = [NSScreen screens];
   NSScreen* primary = [screens objectAtIndex:0];
   for (NSScreen* screen in screens) {
     if (NSMouseInRect(ns_point, [screen frame], NO))
       return GetDisplayForScreen(screen, screen == primary);
   }
-  NOTREACHED();
-  return gfx::Display();
+  return GetPrimaryDisplay();
 }
 
 }  // namespace gfx