Attempt to fix win7 about flags relaunch rendering.

chrome/browser/resources/flags.css

Index: chrome/browser/resources/flags.css
diff --git a/chrome/browser/resources/flags.css b/chrome/browser/resources/flags.css
index c69ed920334c57fb92808bc7c32e663cc9792b89..6bae533168f0e308af76e086064b7d4eb39523d9 100644
--- a/chrome/browser/resources/flags.css
+++ b/chrome/browser/resources/flags.css
@@ -169,6 +169,7 @@ div.needs-restart {
   background: #FFF;
   border-top: 1px solid rgb(181, 199, 222);
   bottom: 0;
+  box-shadow: 0 -2px 2px #ddd;
   box-sizing: border-box;
   left: 0;
   padding-bottom: 15px;
@@ -187,8 +188,7 @@ div.needs-restart {
   box-sizing: border-box;
   color: #fff;
   cursor: pointer;
-  font-size: .875em;
-  font-weight: 600;
+  font-weight: 700;
   margin-top: 10px;
   padding: 10px 24px;
   text-transform: uppercase;