Support ignorance of base class finalizers.

tools/clang/blink_gc_plugin/tests/class_requires_finalization_base.h

Index: tools/clang/blink_gc_plugin/tests/class_requires_finalization_base.h
diff --git a/tools/clang/blink_gc_plugin/tests/class_requires_finalization_base.h b/tools/clang/blink_gc_plugin/tests/class_requires_finalization_base.h
index 9504dcac2fe3fe5fc0e73ade5d21636e11c075dd..1661d1af7d9946a81e4a0f93a85e53a6446726b3 100644
--- a/tools/clang/blink_gc_plugin/tests/class_requires_finalization_base.h
+++ b/tools/clang/blink_gc_plugin/tests/class_requires_finalization_base.h
@@ -19,6 +19,11 @@ public:
     ~B() { /* user-declared, thus, non-trivial */ }
 };
 
+class ScriptWrappable {
+public:
+    ~ScriptWrappable() { /* user-declared, thus, non-trivial */ }
+};
+
 // Second base class needs finalization.
 class NeedsFinalizer : public A, public B {
 public:
@@ -31,6 +36,18 @@ public:
     void trace(Visitor*);
 };
 
+class ClassWithIgnoredBasesDoesNotNeedFinalizer
+    : public A, public ScriptWrappable {
+public:
+    void trace(Visitor*);
+};
+
+class ClassWithSomeButNotAllIgnoredBasesDoesNeedFinalizer
+    : public A, public B, public ScriptWrappable {
+public:
+    void trace(Visitor*);
+};
+
 }
 
 #endif