Remove raw DictionaryValue::Set in //chrome

chrome/browser/supervised_user/supervised_user_pref_store_unittest.cc

 // Copyright 2014 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 <set>
 #include <string>
 
+#include "base/memory/ptr_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/values.h"
 #include "chrome/browser/net/safe_search_util.h"
 #include "chrome/browser/supervised_user/supervised_user_constants.h"
 #include "chrome/browser/supervised_user/supervised_user_pref_store.h"
 #include "chrome/browser/supervised_user/supervised_user_settings_service.h"
 #include "chrome/common/pref_names.h"
 #include "components/prefs/testing_pref_store.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 34 matching lines @@
 }
 
 SupervisedUserPrefStoreFixture::~SupervisedUserPrefStoreFixture() {
   pref_store_->RemoveObserver(this);
 }
 
 void SupervisedUserPrefStoreFixture::OnPrefValueChanged(
     const std::string& key) {
   const base::Value* value = NULL;
   ASSERT_TRUE(pref_store_->GetValue(key, &value));
-  changed_prefs_.Set(key, value->DeepCopy());
+  changed_prefs_.Set(key, base::MakeUnique<base::Value>(*value));
 }
 
 void SupervisedUserPrefStoreFixture::OnInitializationCompleted(bool succeeded) {
   EXPECT_FALSE(initialization_completed_);
   EXPECT_TRUE(succeeded);
   EXPECT_TRUE(pref_store_->IsInitializationComplete());
   initialization_completed_ = true;
 }
 
 }  // namespace
@@ skipping 99 matching lines @@
 
 TEST_F(SupervisedUserPrefStoreTest, CreatePrefStoreAfterInitialization) {
   pref_store_->SetInitializationCompleted();
   service_.SetActive(true);
 
   SupervisedUserPrefStoreFixture fixture(&service_);
   EXPECT_TRUE(fixture.initialization_completed());
   EXPECT_EQ(0u, fixture.changed_prefs()->size());
 }