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

components/flags_ui/flags_state.cc

Index: components/flags_ui/flags_state.cc
diff --git a/components/flags_ui/flags_state.cc b/components/flags_ui/flags_state.cc
index 58425f4cffb703b1cb0d49af33cb75e990e0a6e9..43185bc7c90a13dec1fe79c3f58ad6657718e10c 100644
--- a/components/flags_ui/flags_state.cc
+++ b/components/flags_ui/flags_state.cc
@@ -82,7 +82,7 @@ const struct {
 void AddOsStrings(unsigned bitmask, base::ListValue* list) {
   for (size_t i = 0; i < arraysize(kBitsToOs); ++i) {
     if (bitmask & kBitsToOs[i].bit)
-      list->Append(new base::StringValue(kBitsToOs[i].name));
+      list->AppendString(kBitsToOs[i].name);
   }
 }