Include-what-you-use for WrapUnique/MakeUnique.

services/preferences/public/cpp/pref_observer_store.cc

 // Copyright 2016 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 "services/preferences/public/cpp/pref_observer_store.h"
 
+#include "base/memory/ptr_util.h"
 #include "base/values.h"
 #include "mojo/public/cpp/bindings/array.h"
 #include "services/service_manager/public/cpp/connector.h"
 
 namespace preferences {
 
 PrefObserverStore::PrefObserverStore(
     prefs::mojom::PreferencesManagerPtr prefs_manager_ptr)
     : prefs_binding_(this),
       prefs_manager_ptr_(std::move(prefs_manager_ptr)),
@@ skipping 77 matching lines @@
 
   for (base::DictionaryValue::Iterator it(*preferences); !it.IsAtEnd();
        it.Advance()) {
     if (keys_.find(it.key()) == keys_.end())
       continue;
     ValueMapPrefStore::SetValue(it.key(), it.value().CreateDeepCopy(), 0);
   }
 }
 
 }  // namespace preferences