Index: ui/accelerated_widget_mac/display_link_mac.cc |
diff --git a/ui/accelerated_widget_mac/display_link_mac.cc b/ui/accelerated_widget_mac/display_link_mac.cc |
index c9a30699a06fff31a5b8117c2cfb7f5d7b64e0c6..cb296afbee24345becefeaa97a9d032f1a77f5f4 100644 |
--- a/ui/accelerated_widget_mac/display_link_mac.cc |
+++ b/ui/accelerated_widget_mac/display_link_mac.cc |
@@ -27,6 +27,9 @@ namespace ui { |
// static |
scoped_refptr<DisplayLinkMac> DisplayLinkMac::GetForDisplay( |
CGDirectDisplayID display_id) { |
+ if (!display_id) |
+ return NULL; |
tapted
2015/08/06 00:56:49
nit: nullptr
ccameron
2015/08/06 01:42:47
Done.
|
+ |
// Return the existing display link for this display, if it exists. |
DisplayMap::iterator found = display_map_.Get().find(display_id); |
if (found != display_map_.Get().end()) { |