Adds `PrintMetadataExpressionContextVisitor` to implement step 3 of the `ExpressionContextPass`.
Supports PrintNode annotations for interpolations.
@@ -10236,9 +10236,6 @@ goog.html.SAFE_MIME_TYPE_PATTERN_ = new RegExp(
'^(?:audio/(?:3gpp2|3gpp|aac|L16|midi|mp3|mp4|mpeg|oga|ogg|opus|x-m4a|x-matroska|x-wav|wav|webm)|' +
'font/\\w+|' +
'image/(?:bmp|gif|jpeg|jpg|png|tiff|webp|x-icon)|' +
- // TODO(b/68188949): Due to content-sniffing concerns, text/csv should
- // be removed from the whitelist.
- 'text/csv|' +
'video/(?:mpeg|mp4|ogg|webm|quicktime|x-matroska))' +
'(?:;\\w+=(?:\\w+|"[\\w;,= ]+"))*$', // MIME type parameters
'i');
