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

chrome/browser/permissions/permission_uma_util.cc

Index: chrome/browser/permissions/permission_uma_util.cc
diff --git a/chrome/browser/permissions/permission_uma_util.cc b/chrome/browser/permissions/permission_uma_util.cc
index 0cebcb5e2eba0d152eb2b54c4cf7792947f84672..3538803b0f316387b4e9e1133902bb0c26784200 100644
--- a/chrome/browser/permissions/permission_uma_util.cc
+++ b/chrome/browser/permissions/permission_uma_util.cc
@@ -263,9 +263,10 @@ void RecordPermissionRequest(PermissionType permission,
     base::HistogramBase* histogram = base::LinearHistogram::FactoryGet(
         "Permissions.Requested.CrossOrigin_" +
             PermissionTypeToString(permission),
-        1, content::PERMISSION_STATUS_LAST, content::PERMISSION_STATUS_LAST + 1,
+        1, static_cast<int>(content::PermissionStatus::LAST),
+        static_cast<int>(content::PermissionStatus::LAST) + 1,
         base::HistogramBase::kUmaTargetedHistogramFlag);
-    histogram->Add(embedding_permission_status);
+    histogram->Add(static_cast<int>(embedding_permission_status));
   } else {
     UMA_HISTOGRAM_ENUMERATION(
         "Permissions.Requested.SameOrigin",