Add packages to optimize svgs dynamically

These packages will be used to dynamically optimize SVG images
during the build.

R=jacktfranklin@chromium.org

Bug: 1216402
Change-Id: I04e95aa7d79c9d67beaf8a7861182c52b16b7d0f
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2939992
Reviewed-by: Jack Franklin <jacktfranklin@chromium.org>
Commit-Queue: Tim van der Lippe <tvanderlippe@chromium.org>
diff --git a/node_modules/css-select/lib/procedure.js b/node_modules/css-select/lib/procedure.js
new file mode 100644
index 0000000..d28f368
--- /dev/null
+++ b/node_modules/css-select/lib/procedure.js
@@ -0,0 +1,20 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.isTraversal = exports.procedure = void 0;
+exports.procedure = {
+    universal: 50,
+    tag: 30,
+    attribute: 1,
+    pseudo: 0,
+    "pseudo-element": 0,
+    descendant: -1,
+    child: -1,
+    parent: -1,
+    sibling: -1,
+    adjacent: -1,
+    _flexibleDescendant: -1,
+};
+function isTraversal(t) {
+    return exports.procedure[t.type] < 0;
+}
+exports.isTraversal = isTraversal;