Add rollup-plugin-minify-html-template-literals to node_modules

R=jacktfranklin@chromium.org

Bug: 1213034
Change-Id: I5da8225f60b53870a1c67d6b5d02a464c08f4eb2
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2917088
Commit-Queue: Tim van der Lippe <tvanderlippe@chromium.org>
Reviewed-by: Jack Franklin <jacktfranklin@chromium.org>
diff --git a/node_modules/clean-css/lib/utils/override.js b/node_modules/clean-css/lib/utils/override.js
new file mode 100644
index 0000000..e7f8494
--- /dev/null
+++ b/node_modules/clean-css/lib/utils/override.js
@@ -0,0 +1,34 @@
+function override(source1, source2) {
+  var target = {};
+  var key1;
+  var key2;
+  var item;
+
+  for (key1 in source1) {
+    item = source1[key1];
+
+    if (Array.isArray(item)) {
+      target[key1] = item.slice(0);
+    } else if (typeof item == 'object' && item !== null) {
+      target[key1] = override(item, {});
+    } else {
+      target[key1] = item;
+    }
+  }
+
+  for (key2 in source2) {
+    item = source2[key2];
+
+    if (key2 in target && Array.isArray(item)) {
+      target[key2] = item.slice(0);
+    } else if (key2 in target && typeof item == 'object' && item !== null) {
+      target[key2] = override(target[key2], item);
+    } else {
+      target[key2] = item;
+    }
+  }
+
+  return target;
+}
+
+module.exports = override;