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 662bf89f139ed9b193216b53f4b91dcd0bc80026..38adb3949a367916c11648a71bbcc98e7be040a5 100644 |
--- a/content/browser/renderer_host/render_widget_host_view_mac.mm |
+++ b/content/browser/renderer_host/render_widget_host_view_mac.mm |
@@ -521,6 +521,11 @@ 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]; |