Shared components used by Firefox and other Mozilla software, including handling of Web content; Gecko, HTML, CSS, layout, DOM, scripts, images, networking, etc. Issues with web page layout probably go here, while Firefox user interface issues belong in the Firefox product. (More info)
Created attachment 574554[details][diff][review]
When merging m-c -> birch, we needed to hook up the java compositor. we agreed on the name MOZ_JAVA_COMPOSITOR. This patch adds this new #ifdef.