MD Downloads: gzip vulcanized resources via compress="gzip"

chrome/browser/ui/webui/md_downloads/md_downloads_ui.cc

Index: chrome/browser/ui/webui/md_downloads/md_downloads_ui.cc
diff --git a/chrome/browser/ui/webui/md_downloads/md_downloads_ui.cc b/chrome/browser/ui/webui/md_downloads/md_downloads_ui.cc
index 99404cb1219d98bb2389f6a1e16c077354263f3e..6e13f7d1d590a4ffa971d9fbde6e378749d8b17f 100644
--- a/chrome/browser/ui/webui/md_downloads/md_downloads_ui.cc
+++ b/chrome/browser/ui/webui/md_downloads/md_downloads_ui.cc
@@ -105,6 +105,13 @@ content::WebUIDataSource* CreateDownloadsUIHTMLSource(Profile* profile) {
                           IDR_MD_DOWNLOADS_2X_NO_DOWNLOADS_PNG);
 
 #if BUILDFLAG(USE_VULCANIZE)
+  source->UseGzipForAllPaths();
+
+  source->ExcludePathFromGzip("1x/incognito_marker.png");
+  source->ExcludePathFromGzip("2x/incognito_marker.png");
+  source->ExcludePathFromGzip("1x/no_downloads.png");
+  source->ExcludePathFromGzip("2x/no_downloads.png");
+
   source->AddResourcePath("crisper.js", IDR_MD_DOWNLOADS_CRISPER_JS);
   source->SetDefaultResource(IDR_MD_DOWNLOADS_VULCANIZED_HTML);
 #else