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

tools/json_schema_compiler/test/idl_schemas_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 <memory>
 #include <utility>
 
 #include "base/memory/ptr_util.h"
 #include "base/values.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 51 matching lines @@
 
   // Test functions that take a callback function as a parameter, with varying
   // callback signatures.
   std::unique_ptr<base::ListValue> f4_results = Function4::Results::Create();
   base::ListValue expected;
   EXPECT_TRUE(f4_results->Equals(&expected));
 
   std::unique_ptr<base::ListValue> f5_results(Function5::Results::Create(13));
   base::Value* f5_result_int = NULL;
   ASSERT_TRUE(f5_results->Get(0, &f5_result_int));
-  EXPECT_TRUE(f5_result_int->IsType(base::Value::TYPE_INTEGER));
+  EXPECT_TRUE(f5_result_int->IsType(base::Value::Type::INTEGER));
 
   std::unique_ptr<base::ListValue> f6_results(Function6::Results::Create(a));
   base::Value* f6_result_dict = NULL;
   ASSERT_TRUE(f6_results->Get(0, &f6_result_dict));
   MyType1 c;
   EXPECT_TRUE(MyType1::Populate(*f6_result_dict, &c));
   EXPECT_EQ(a.x, c.x);
   EXPECT_EQ(a.y, c.y);
 }
 
@@ skipping 118 matching lines @@
                                                       &icon));
   base::ListValue list;
   list.Append(std::move(icon_props));
   std::unique_ptr<ObjectFunction1::Params> params =
       ObjectFunction1::Params::Create(list);
   ASSERT_TRUE(params.get() != NULL);
   std::string tmp;
   EXPECT_TRUE(params->icon.additional_properties.GetString("hello", &tmp));
   EXPECT_EQ("world", tmp);
 }