Index: content/browser/renderer_host/render_widget_host_view_mac.mm |
diff --git a/content/browser/renderer_host/render_widget_host_view_mac.mm b/content/browser/renderer_host/render_widget_host_view_mac.mm |
index 1ebd095b5c21a430e6116174578e919eca0f575a..75c87c7d7ad34e84a75f4d39e798f47e403b13bd 100644 |
--- a/content/browser/renderer_host/render_widget_host_view_mac.mm |
+++ b/content/browser/renderer_host/render_widget_host_view_mac.mm |
@@ -524,6 +524,11 @@ bool RenderWidgetHostViewMac::HasFocus() const { |
return [[cocoa_view_ window] firstResponder] == cocoa_view_; |
} |
+bool RenderWidgetHostViewMac::IsSurfaceAvailableForCopy() const { |
+ return !!render_widget_host_->GetBackingStore(false) || |
+ (compositing_iosurface_.get() && compositing_iosurface_->HasIOSurface()); |
+} |
+ |
void RenderWidgetHostViewMac::Show() { |
[cocoa_view_ setHidden:NO]; |