Implement computedRole and computedName (behind a flag)

Source/modules/accessibility/AXTable.h

Index: Source/modules/accessibility/AXTable.h
diff --git a/Source/modules/accessibility/AXTable.h b/Source/modules/accessibility/AXTable.h
index 4ea18bcae08605ede371dc2fa3d0547862513e24..9a51a63283dda0adc7395a206bfd96fa5f7102ee 100644
--- a/Source/modules/accessibility/AXTable.h
+++ b/Source/modules/accessibility/AXTable.h
@@ -34,14 +34,16 @@
 
 namespace blink {
 
+class AXObjectCache;
 class AXTableCell;
 
 class AXTable : public AXRenderObject {
 
 protected:
-    explicit AXTable(RenderObject*);
+    explicit AXTable(RenderObject*, AXObjectCache*);
+
 public:
-    static PassRefPtr<AXTable> create(RenderObject*);
+    static PassRefPtr<AXTable> create(RenderObject*, AXObjectCache*);
     virtual ~AXTable();
 
     virtual void init() override final;