Bug 1514176 - Update webrender to commit 40aa1851b6453108d1c47a3264360362b9b2d053 (WR PR #3419). r=kats

https://github.com/servo/webrender/pull/3419

Differential Revision: https://phabricator.services.mozilla.com/D14623

--HG--
extra : moz-landing-system : lando

gfx/webrender_bindings/revision.txt

@@ -1 +1 @@
-d2c673ada607f29846c3d1ac8ca7d2b272ba1b2d
+40aa1851b6453108d1c47a3264360362b9b2d053

gfx/wr/webrender/src/renderer.rs

@@ -5085,6 +5085,13 @@ impl Renderer {
                         .expect(&format!("Unable to create {}", short_path))
                         .write_all(&bytes)
                         .unwrap();
+                    #[cfg(feature = "png")]
+                    CaptureConfig::save_png(
+                        config.root.join(&short_path).with_extension("png"),
+                        def.descriptor.size,
+                        ReadPixelsFormat::Standard(def.descriptor.format),
+                        &bytes,
+                    );
                 }
                 let plain = PlainExternalImage {
                     data: short_path,