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..995df6c40f43ff37a5e591c5749e8516cee6e1b3 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 +19,15 @@ public:
     ~B() { /* user-declared, thus, non-trivial */ }
 };
 
+// WebCore::ScriptWrappable receives special treatment
+// so as to allow it to be used together with GarbageCollected<T>,
+// even when its user-declared destructor is provided.
+// As it is with Oilpan disabled.
+class ScriptWrappable {

[zerny-chromium, 2014/07/08 07:45:03]

Define ScriptWrappable in heap/stubs.h

That should avoid some of the line:column changes and make it easier to simply
remove the ScriptWrappable destructor when we remove the ignore code again.

[sof, 2014/07/08 08:47:05]

Done.

+public:
+    ~ScriptWrappable() { /* user-declared, thus, non-trivial */ }
+};
+
 // Second base class needs finalization.
 class NeedsFinalizer : public A, public B {
 public:
@@ -31,6 +40,20 @@ public:
     void trace(Visitor*);
 };
 
+class GCedClassWithAScriptWrappableBase
+    : public A, public ScriptWrappable {
+public:
+    void trace(Visitor*);
+};
+
+class GCedClassWithAScriptWrappableAndAFinalizableBase
+    : public GCedClassWithAScriptWrappableBase
+    , public B
+    , public ScriptWrappable {
+public:
+    void trace(Visitor*);
+};
+
 }
 
 #endif