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/reader/rebase-local-map.js b/node_modules/clean-css/lib/reader/rebase-local-map.js
new file mode 100644
index 0000000..aec8d23
--- /dev/null
+++ b/node_modules/clean-css/lib/reader/rebase-local-map.js
@@ -0,0 +1,15 @@
+var path = require('path');
+
+function rebaseLocalMap(sourceMap, sourceUri, rebaseTo) {
+  var currentPath = path.resolve('');
+  var absoluteUri = path.resolve(currentPath, sourceUri);
+  var absoluteUriDirectory = path.dirname(absoluteUri);
+
+  sourceMap.sources = sourceMap.sources.map(function(source) {
+    return path.relative(rebaseTo, path.resolve(absoluteUriDirectory, source));
+  });
+
+  return sourceMap;
+}
+
+module.exports = rebaseLocalMap;