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

net/http/transport_security_state_unittest.cc

Index: net/http/transport_security_state_unittest.cc
diff --git a/net/http/transport_security_state_unittest.cc b/net/http/transport_security_state_unittest.cc
index fcd2a16aac14e2d59c061c77d050da1e83fda2b2..061a0ae6360a95fc9db1e34efd0b3a7e940f6b8a 100644
--- a/net/http/transport_security_state_unittest.cc
+++ b/net/http/transport_security_state_unittest.cc
@@ -199,7 +199,7 @@ void CheckHPKPReport(
     const HashValueVector& known_pins) {
   std::unique_ptr<base::Value> value(base::JSONReader::Read(report));
   ASSERT_TRUE(value);
-  ASSERT_TRUE(value->IsType(base::Value::TYPE_DICTIONARY));
+  ASSERT_TRUE(value->IsType(base::Value::Type::DICTIONARY));
 
   base::DictionaryValue* report_dict;
   ASSERT_TRUE(value->GetAsDictionary(&report_dict));
@@ -264,7 +264,7 @@ void CheckSerializedExpectStapleReport(const std::string& report,
                                        const std::string& cert_status) {
   std::unique_ptr<base::Value> value(base::JSONReader::Read(report));
   ASSERT_TRUE(value);
-  ASSERT_TRUE(value->IsType(base::Value::TYPE_DICTIONARY));
+  ASSERT_TRUE(value->IsType(base::Value::Type::DICTIONARY));
 
   base::DictionaryValue* report_dict;
   ASSERT_TRUE(value->GetAsDictionary(&report_dict));