MD WebUI: Fix minor rendering problems in <cr-toolbar>

chrome/browser/resources/md_downloads/vulcanized.html

Index: chrome/browser/resources/md_downloads/vulcanized.html
diff --git a/chrome/browser/resources/md_downloads/vulcanized.html b/chrome/browser/resources/md_downloads/vulcanized.html
index 0f25202e279a1cd0bfab13a2fdfa31d7f5e34c58..386c969be179e1eb274cf01eb2445b6fef90d4cd 100644
--- a/chrome/browser/resources/md_downloads/vulcanized.html
+++ b/chrome/browser/resources/md_downloads/vulcanized.html
@@ -2981,7 +2981,8 @@ paper-spinner-lite[active] {
 }
 
 #searchTerm {
-  -webkit-margin-start: 2px;
+  -webkit-font-smoothing: antialiased;
+        -webkit-margin-start: 2px;
         flex: 1;
         line-height: 185%;
         position: relative;
@@ -2991,9 +2992,11 @@ label {
   bottom: 0;
         cursor: text;
         left: 0;
+        overflow: hidden;
         position: absolute;
         right: 0;
         top: 0;
+        white-space: nowrap;
 }
 
 :host([has-search-text_]) label {
@@ -3005,9 +3008,10 @@ input {
         background: transparent;
         border: none;
         color: white;
-        font-family: inherit;
+        font: inherit;
         outline: none;
         padding: 0;
+        position: relative;
         width: 100%;
 }