DevTools: Fix for Page.captureScreenshot

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 aa202cced95c8ebd868c9525be457e1d8d1aaf44..95b1d9d1869c08cfe258faba2a036b1dafa51634 100644
--- a/content/browser/renderer_host/render_widget_host_view_mac.mm
+++ b/content/browser/renderer_host/render_widget_host_view_mac.mm
@@ -2064,6 +2064,12 @@ void RenderWidgetHostViewMac::AddPendingLatencyInfo(
             NULL)) {
       should_defer = true;
     }
+    if (latency_info[i].FindLatency(
+            ui::WINDOW_OLD_SNAPSHOT_FRAME_NUMBER_COMPONENT,
+            render_widget_host_->GetLatencyComponentId(),
+            NULL)) {
+      should_defer = true;
+    }
   }
   if (should_defer) {
     // Multiple pending screenshot requests will work, but if every frame
@@ -2108,8 +2114,7 @@ void RenderWidgetHostViewMac::TickPendingLatencyInfoDelay() {
         base::Bind(&RenderWidgetHostViewMac::TickPendingLatencyInfoDelay,
                    pending_latency_info_delay_weak_ptr_factory_.GetWeakPtr()));
     [compositing_iosurface_layer_ gotNewFrame];
-  }
-  if (software_layer_) {
+  } else {
     // In software mode there is not an explicit setNeedsDisplay/display loop,
     // so just wait a pretend-vsync at 60 Hz.
     base::MessageLoop::current()->PostDelayedTask(