Enable import/export of passwords into/from Password Manager

chrome/browser/resources/options/password_manager.css

Index: chrome/browser/resources/options/password_manager.css
diff --git a/chrome/browser/resources/options/password_manager.css b/chrome/browser/resources/options/password_manager.css
index fe210f307a82c921f09c537e71258f0ce789432d..e4a5b2dc544ab3821e8af267d1dd0921bc3f71d2 100644
--- a/chrome/browser/resources/options/password_manager.css
+++ b/chrome/browser/resources/options/password_manager.css
@@ -25,4 +25,16 @@ html[dir=rtl] #password-search-column {
 
 #passwords-title {
   display: inline-block;
-}
+}
+
+#password-manager-import[disabled] {
+  display: none;
+}
+
+#password-manager-export[disabled] {
+  display: none;
+}
+
+.import-export-button-strip > button {
+  float: right;
+}