MD History: increase contrast in synced tab promo flourish plant

chrome/browser/ui/webui/md_history_ui.cc

Index: chrome/browser/ui/webui/md_history_ui.cc
diff --git a/chrome/browser/ui/webui/md_history_ui.cc b/chrome/browser/ui/webui/md_history_ui.cc
index 5d1197babc6ee9214c40ee54d80aed8e58341ba1..0859733b8107117020743d6cf10e140912905ad0 100644
--- a/chrome/browser/ui/webui/md_history_ui.cc
+++ b/chrome/browser/ui/webui/md_history_ui.cc
@@ -143,10 +143,10 @@ content::WebUIDataSource* CreateMdHistoryUIHTMLSource(Profile* profile,
 
   source->AddResourcePath("constants.html", IDR_MD_HISTORY_CONSTANTS_HTML);
   source->AddResourcePath("constants.js", IDR_MD_HISTORY_CONSTANTS_JS);
-  source->AddResourcePath("images/100/sign_in_promo.png",
-                          IDR_MD_HISTORY_IMAGES_100_SIGN_IN_PROMO_PNG);
-  source->AddResourcePath("images/200/sign_in_promo.png",
-                          IDR_MD_HISTORY_IMAGES_200_SIGN_IN_PROMO_PNG);
+  source->AddResourcePath("images/100/sign_in_promo.jpg",
+                          IDR_MD_HISTORY_IMAGES_100_SIGN_IN_PROMO_JPG);
+  source->AddResourcePath("images/200/sign_in_promo.jpg",
+                          IDR_MD_HISTORY_IMAGES_200_SIGN_IN_PROMO_JPG);
   source->AddResourcePath("history.js", IDR_MD_HISTORY_HISTORY_JS);
 
 #if BUILDFLAG(USE_VULCANIZE)