MD History: increase contrast in synced tab promo flourish plant

chrome/browser/resources/md_history/lazy_load.vulcanized.html

Index: chrome/browser/resources/md_history/lazy_load.vulcanized.html
diff --git a/chrome/browser/resources/md_history/lazy_load.vulcanized.html b/chrome/browser/resources/md_history/lazy_load.vulcanized.html
index 34b3b414beb1dfb5deb33628ff9e1a1a4012eed5..6ffc641d68e5752888343953ded81485db5de36c 100644
--- a/chrome/browser/resources/md_history/lazy_load.vulcanized.html
+++ b/chrome/browser/resources/md_history/lazy_load.vulcanized.html
@@ -936,12 +936,12 @@ paper-spinner {
 
 #illustration {
   background: -webkit-image-set(
-            url("chrome://history/images/100/sign_in_promo.png") 1x,
-            url("chrome://history/images/200/sign_in_promo.png") 2x)
+            url("chrome://history/images/100/sign_in_promo.jpg") 1x,
+            url("chrome://history/images/200/sign_in_promo.jpg") 2x)
                 no-repeat center center;
         height: 222px;
         margin-top: 100px;
-        width: 594px;
+        width: 574px;
 }
 
 #no-synced-tabs {
@@ -1426,4 +1426,4 @@ paper-icon-button {
   </template>
 
   </dom-module>
-</div><script src="lazy_load.crisper.js"></script></body></html>
+</div><script src="lazy_load.crisper.js"></script></body></html>