Remove use of deprecated base::ListValue::Append(Value*) overload in extensions.

extensions/common/event_filter_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "extensions/common/event_filter.h"
 
 #include <memory>
 #include <string>
 #include <utility>
 
+#include "base/memory/ptr_util.h"
 #include "base/values.h"
 #include "extensions/common/event_filtering_info.h"
 #include "extensions/common/event_matcher.h"
 #include "ipc/ipc_message.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using base::DictionaryValue;
 using base::ListValue;
 using base::Value;
 
@@ skipping 186 matching lines @@
   int id2 = event_filter_.AddEventMatcher("event1", AllURLs());
   int id3 = event_filter_.AddEventMatcher("event2", AllURLs());
 
   ASSERT_EQ("event1", event_filter_.RemoveEventMatcher(id1));
   ASSERT_EQ("event1", event_filter_.RemoveEventMatcher(id2));
   ASSERT_EQ("event2", event_filter_.RemoveEventMatcher(id3));
 }
 
 TEST_F(EventFilterUnittest, InvalidURLFilterCantBeAdded) {
   std::unique_ptr<base::ListValue> filter_list(new base::ListValue());
-  filter_list->Append(new base::ListValue());  // Should be a dict.
+  filter_list->Append(
+      base::MakeUnique<base::ListValue>());  // Should be a dict.
   std::unique_ptr<EventMatcher> matcher(
       MatcherFromURLFilterList(std::move(filter_list)));
   int id1 = event_filter_.AddEventMatcher("event1", std::move(matcher));
   EXPECT_TRUE(event_filter_.IsURLMatcherEmpty());
   ASSERT_EQ(-1, id1);
 }
 
 TEST_F(EventFilterUnittest, EmptyListOfURLFiltersMatchesAllURLs) {
   std::unique_ptr<base::ListValue> filter_list(new base::ListValue());
   std::unique_ptr<EventMatcher> matcher(
@@ skipping 28 matching lines @@
   std::unique_ptr<EventMatcher> matcher(MatcherFromURLFilterList(
       ValueAsList(std::unique_ptr<Value>(new DictionaryValue()))));
   int id = event_filter_.AddEventMatcher("event1", std::move(matcher));
   std::set<int> matches = event_filter_.MatchEvent(
       "event1", empty_url_event_, MSG_ROUTING_NONE);
   ASSERT_EQ(1u, matches.size());
   ASSERT_EQ(1u, matches.count(id));
 }
 
 }  // namespace extensions