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

ui/webui/resources/cr_elements/cr_toolbar/cr_toolbar_search_field.html

Index: ui/webui/resources/cr_elements/cr_toolbar/cr_toolbar_search_field.html
diff --git a/ui/webui/resources/cr_elements/cr_toolbar/cr_toolbar_search_field.html b/ui/webui/resources/cr_elements/cr_toolbar/cr_toolbar_search_field.html
index 01b263f99c192aa290ddf629462542ffe6c3bd91..c6d0ea2a29ffa82b2858e94b805e50597dc1c8bd 100644
--- a/ui/webui/resources/cr_elements/cr_toolbar/cr_toolbar_search_field.html
+++ b/ui/webui/resources/cr_elements/cr_toolbar/cr_toolbar_search_field.html
@@ -58,6 +58,7 @@
 
       /* Input field. */
       #searchTerm {
+        -webkit-font-smoothing: antialiased;
         -webkit-margin-start: 2px;
         flex: 1;
         line-height: 185%;
@@ -68,9 +69,11 @@
         bottom: 0;
         cursor: text;
         left: 0;
+        overflow: hidden;
         position: absolute;
         right: 0;
         top: 0;
+        white-space: nowrap;
       }
 
       :host([has-search-text_]) label {
@@ -82,9 +85,10 @@
         background: transparent;
         border: none;
         color: white;
-        font-family: inherit;
+        font: inherit;
         outline: none;
         padding: 0;
+        position: relative;
         width: 100%;
       }