Add use-chromium-style-naming option to Blink GC plugin.

tools/clang/blink_gc_plugin/tests/legacy_naming/traceimpl_dependent_scope.cpp

Index: tools/clang/blink_gc_plugin/tests/legacy_naming/traceimpl_dependent_scope.cpp
diff --git a/tools/clang/blink_gc_plugin/tests/raw_ptr_to_gc_managed_class_error.cpp b/tools/clang/blink_gc_plugin/tests/legacy_naming/traceimpl_dependent_scope.cpp
similarity index 58%
copy from tools/clang/blink_gc_plugin/tests/raw_ptr_to_gc_managed_class_error.cpp
copy to tools/clang/blink_gc_plugin/tests/legacy_naming/traceimpl_dependent_scope.cpp
index f71d1b8aaab6e6e8cbaf6210424d4c8817e954f5..11b576cf438f0198b1fea36a0f9c722a5a15e63a 100644
--- a/tools/clang/blink_gc_plugin/tests/raw_ptr_to_gc_managed_class_error.cpp
+++ b/tools/clang/blink_gc_plugin/tests/legacy_naming/traceimpl_dependent_scope.cpp
@@ -2,12 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "raw_ptr_to_gc_managed_class_error.h"
+#include "traceimpl_dependent_scope.h"
 
 namespace blink {
 
-void HeapObject::trace(Visitor* visitor) {
-    visitor->trace(m_objs);
-}
+// Template instantiation.
+template class Derived<int>;
+template class DerivedMissingTrace<int>;
 
 }