Remove ListValue::Append(new {Fundamental,String}Value(...)) pattern in //content

content/common/font_list_pango.cc

Index: content/common/font_list_pango.cc
diff --git a/content/common/font_list_pango.cc b/content/common/font_list_pango.cc
index d64c9033a0c03384ecd91dfe1deceda8581502a2..938d0597c5c5bc28d633cb1f4f61de49046b0ca6 100644
--- a/content/common/font_list_pango.cc
+++ b/content/common/font_list_pango.cc
@@ -31,8 +31,8 @@ std::unique_ptr<base::ListValue> GetFontList_SlowBlocking() {
   for (std::set<std::string>::const_iterator iter = sorted_families.begin();
        iter != sorted_families.end(); ++iter) {
     base::ListValue* font_item = new base::ListValue();
-    font_item->Append(new base::StringValue(*iter));
-    font_item->Append(new base::StringValue(*iter));  // localized name.
+    font_item->AppendString(*iter);
+    font_item->AppendString(*iter);  // localized name.
     // TODO(yusukes): Support localized family names.
     font_list->Append(font_item);
   }