Don't use deprecated ListValue::Append(Value*) overload.

net/log/net_log_unittest.cc

 // Copyright (c) 2013 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 "net/log/net_log.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/macros.h"
@@ skipping 116 matching lines @@
  public:
   LoggingObserver() {}
 
   ~LoggingObserver() override {
     if (net_log())
       net_log()->DeprecatedRemoveObserver(this);
   }
 
   void OnAddEntry(const NetLog::Entry& entry) override {
     std::unique_ptr<base::DictionaryValue> dict =
-        base::DictionaryValue::From(base::WrapUnique(entry.ToValue()));
+        base::DictionaryValue::From(entry.ToValue());
     ASSERT_TRUE(dict);
     values_.push_back(std::move(dict));
   }
 
   size_t GetNumValues() const { return values_.size(); }
   base::DictionaryValue* GetValue(size_t index) const {
     return values_[index].get();
   }
 
  private:
@@ skipping 248 matching lines @@
   NetLog net_log;
 
   // Run a bunch of threads to completion, each of which will repeatedly add
   // and remove an observer, and set its logging level.
   RunTestThreads<AddRemoveObserverTestThread>(&net_log);
 }
 
 }  // namespace
 
 }  // namespace net