Make base::Value::TYPE a scoped enum.

services/preferences/public/cpp/tests/pref_observer_store_unittest.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/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
@@ skipping 249 matching lines @@
   EXPECT_NE(observer()->changed_keys.end(),
             std::find(observer()->changed_keys.begin(),
                       observer()->changed_keys.end(), key1));
   EXPECT_NE(observer()->changed_keys.end(),
             std::find(observer()->changed_keys.begin(),
                       observer()->changed_keys.end(), key2));
 
   // Change an item within the nested dictionary
   base::Value* result = nullptr;
   store()->GetMutableValue(key1, &result);
-  EXPECT_EQ(base::Value::TYPE_DICTIONARY, result->GetType());
+  EXPECT_EQ(base::Value::Type::DICTIONARY, result->GetType());
   EXPECT_TRUE(result->Equals(&sub_dictionary1));
 
   base::DictionaryValue* dictionary_result = nullptr;
   result->GetAsDictionary(&dictionary_result);
   EXPECT_NE(nullptr, dictionary_result);
 
   const std::string sub_key3("????");
   const int kValue3 = 9001;
   base::FundamentalValue pref3(kValue3);
   dictionary_result->Set(sub_key3, pref3.CreateDeepCopy());
@@ skipping 45 matching lines @@
                       observer()->changed_keys.end(), key2));
 
   observer()->changed_keys.clear();
   const int kValue3 = 9001;
   base::FundamentalValue pref3(kValue3);
   store()->SetValue(key1, pref3.CreateDeepCopy(), 0);
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(1u, observer()->changed_keys.size());
   EXPECT_TRUE(manager()->set_preferences_called());
 }