Always enable warn-raw-ptr's check of raw heap pointers.

tools/clang/blink_gc_plugin/BlinkGCPluginConsumer.cpp

Index: tools/clang/blink_gc_plugin/BlinkGCPluginConsumer.cpp
diff --git a/tools/clang/blink_gc_plugin/BlinkGCPluginConsumer.cpp b/tools/clang/blink_gc_plugin/BlinkGCPluginConsumer.cpp
index 7c90ddd35045c0e8d6cf3af8b46ebf0808adf927..d49afc69b090c08ca5f91bc041a06c051acf7057 100644
--- a/tools/clang/blink_gc_plugin/BlinkGCPluginConsumer.cpp
+++ b/tools/clang/blink_gc_plugin/BlinkGCPluginConsumer.cpp
@@ -964,25 +964,19 @@ void BlinkGCPluginConsumer::ReportFieldsRequireTracing(
 void BlinkGCPluginConsumer::ReportClassContainsInvalidFields(
     RecordInfo* info,
     const CheckFieldsVisitor::Errors& errors) {
-  bool only_warnings = options_.warn_raw_ptr;
-  for (auto& error : errors)
-    if (!CheckFieldsVisitor::IsWarning(error.second))
-      only_warnings = false;
 
   ReportDiagnostic(info->record()->getLocStart(),
-                   only_warnings ?
-                   diag_class_contains_invalid_fields_warning_ :
                    diag_class_contains_invalid_fields_)
       << info->record();
 
   for (auto& error : errors) {
     unsigned note;
-    if (CheckFieldsVisitor::IsRawPtrError(error.second)) {
+    if (error.second == CheckFieldsVisitor::kRawPtrToGCManaged) {
       note = diag_raw_ptr_to_gc_managed_class_note_;
-    } else if (CheckFieldsVisitor::IsReferencePtrError(error.second)) {
-      note = diag_reference_ptr_to_gc_managed_class_note_;
     } else if (error.second == CheckFieldsVisitor::kRefPtrToGCManaged) {
       note = diag_ref_ptr_to_gc_managed_class_note_;
+    } else if (error.second == CheckFieldsVisitor::kReferencePtrToGCManaged) {
+      note = diag_reference_ptr_to_gc_managed_class_note_;
     } else if (error.second == CheckFieldsVisitor::kOwnPtrToGCManaged) {
       note = diag_own_ptr_to_gc_managed_class_note_;
     } else if (error.second == CheckFieldsVisitor::kMemberToGCUnmanaged) {