Change mojo enums to be scoped enums in the generated C++ bindings.

chrome/browser/push_messaging/push_messaging_service_impl.cc

Index: chrome/browser/push_messaging/push_messaging_service_impl.cc
diff --git a/chrome/browser/push_messaging/push_messaging_service_impl.cc b/chrome/browser/push_messaging/push_messaging_service_impl.cc
index 4819ec715a2b3ceff0ba083a8c3fc8df9dd3d526..b155c58d62720114f47526b4f345191f2d5e6265 100644
--- a/chrome/browser/push_messaging/push_messaging_service_impl.cc
+++ b/chrome/browser/push_messaging/push_messaging_service_impl.cc
@@ -67,11 +67,11 @@ void RecordDeliveryStatus(content::PushDeliveryStatus status) {
 blink::WebPushPermissionStatus ToPushPermission(
     content::PermissionStatus permission_status) {
   switch (permission_status) {
-    case content::PERMISSION_STATUS_GRANTED:
+    case content::PermissionStatus::GRANTED:
       return blink::WebPushPermissionStatusGranted;
-    case content::PERMISSION_STATUS_DENIED:
+    case content::PermissionStatus::DENIED:
       return blink::WebPushPermissionStatusDenied;
-    case content::PERMISSION_STATUS_ASK:
+    case content::PermissionStatus::ASK:
       return blink::WebPushPermissionStatusPrompt;
     default:
       NOTREACHED();
@@ -524,7 +524,7 @@ void PushMessagingServiceImpl::DidRequestPermission(
     const std::string& sender_id,
     const content::PushMessagingService::RegisterCallback& register_callback,
     content::PermissionStatus permission_status) {
-  if (permission_status != content::PERMISSION_STATUS_GRANTED) {
+  if (permission_status != content::PermissionStatus::GRANTED) {
     SubscribeEndWithError(register_callback,
                           content::PUSH_REGISTRATION_STATUS_PERMISSION_DENIED);
     return;