Switch //components away from base::ListValue::Append(Value*) overload.

components/error_page/renderer/net_error_helper_core_unittest.cc

Index: components/error_page/renderer/net_error_helper_core_unittest.cc
diff --git a/components/error_page/renderer/net_error_helper_core_unittest.cc b/components/error_page/renderer/net_error_helper_core_unittest.cc
index d73ea287ffa02fa67d7d6c3e18372c0033ba4a90..666d02d993409d3b4d4f843ceaef80e3574b425b 100644
--- a/components/error_page/renderer/net_error_helper_core_unittest.cc
+++ b/components/error_page/renderer/net_error_helper_core_unittest.cc
@@ -56,8 +56,8 @@ struct NavigationCorrection {
   bool is_porn;
   bool is_soft_porn;
 
-  base::Value* ToValue() const {
-    base::DictionaryValue* dict = new base::DictionaryValue();
+  std::unique_ptr<base::DictionaryValue> ToValue() const {
+    std::unique_ptr<base::DictionaryValue> dict(new base::DictionaryValue());
     dict->SetString("correctionType", correction_type);
     dict->SetString("urlCorrection", url_correction);
     dict->SetString("clickType", click_type);