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

device/geolocation/network_location_request.cc

Index: device/geolocation/network_location_request.cc
diff --git a/device/geolocation/network_location_request.cc b/device/geolocation/network_location_request.cc
index 00a142bb734e95180135b2b08b4ae216f71e1c9f..191f7a561baf8bc960a7e39fa3150f702961807e 100644
--- a/device/geolocation/network_location_request.cc
+++ b/device/geolocation/network_location_request.cc
@@ -367,7 +367,7 @@ bool ParseServerResponse(const std::string& response_body,
     return false;
   }
 
-  if (!response_value->IsType(base::Value::TYPE_DICTIONARY)) {
+  if (!response_value->IsType(base::Value::Type::DICTIONARY)) {
     VLOG(1) << "ParseServerResponse() : Unexpected response type "
             << response_value->GetType();
     return false;
@@ -388,8 +388,8 @@ bool ParseServerResponse(const std::string& response_body,
   }
   DCHECK(location_value);
 
-  if (!location_value->IsType(base::Value::TYPE_DICTIONARY)) {
-    if (!location_value->IsType(base::Value::TYPE_NULL)) {
+  if (!location_value->IsType(base::Value::Type::DICTIONARY)) {
+    if (!location_value->IsType(base::Value::Type::NONE)) {
       VLOG(1) << "ParseServerResponse() : Unexpected location type "
               << location_value->GetType();
       // If the network provider was unable to provide a position fix, it should