Fix crash in GotAcceleratedIOSurfaceFrame

content/browser/renderer_host/render_widget_host_view_mac.mm

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 f80585a0f84bda8df033495a7f234670204f27c7..ec202eae2ceddf1450de9dd33bccb8b05e765028 100644
--- a/content/browser/renderer_host/render_widget_host_view_mac.mm
+++ b/content/browser/renderer_host/render_widget_host_view_mac.mm
@@ -2314,14 +2314,21 @@ bool RenderWidgetHostViewMac::AcceleratedLayerShouldAckImmediately() const {
   return false;
 }
 
-void RenderWidgetHostViewMac::AcceleratedLayerDidDrawFrame(bool succeeded) {
+void RenderWidgetHostViewMac::AcceleratedLayerDidDrawFrame() {
   if (!render_widget_host_)
     return;
 
   SendPendingLatencyInfoToHost();
   SendPendingSwapAck();
-  if (!succeeded)
-    GotAcceleratedCompositingError();
+}
+
+void RenderWidgetHostViewMac::AcceleratedLayerHitError() {
+  if (!render_widget_host_)
+    return;
+  // Perform all acks that would have been done if the frame had succeeded, to
+  // un-block the renderer.
+  AcceleratedLayerDidDrawFrame();
+  GotAcceleratedCompositingError();
 }
 
 ////////////////////////////////////////////////////////////////////////////////